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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 1 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Exam 1: Đỉnh núi trí tuệ

A donut costs 5000 VND. Linh bought a dozen of these donuts. How much did she pay for them? Answer: 60000

Bài giải chi tiết:

A nurse poured 1.5 l of cough mixture equally into 6 bottles. How many ml cough mixture were there in each bottle? Answer: 250

A rectangular carton measures 5cm by 10cm by 25cm. It container 1l of milk. How much empty space is there in the carton? (Express your answer in cm3). Answer: 250

Bài giải chi tiết:

A rectangular tank is 50cm long, 40cm wide and 45cm high. The height of the water level in the container is 15cm. How many more liters of water are required to fill up the tank completely? Answer: 60

Bài giải chi tiết:

A school has 1500 pupils. On a certain day, 30 of the pupils were absent. 40% of the pupils absent were girls, how many girls were absent on that day? Answer: 12

Bài giải chi tiết:

A school has 1500 pupils. On a certain day, 30 of the pupils were absent. Find the percentage of the pupils who were present on that day? Answer: 98

Bài giải chi tiết:

A string of 2.1m was cut into 6 equal parts. What’s the length of each part in cm? Answer: 35

Bài giải chi tiết:

Calculate: 1/3 + 5/3 - 2/7 = ... Answer: 12/7

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l22

Express 12/20 as a percentage. Answer: 60

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l23

Express 48% as a decimal. Answer: 0.48

Express 3000cm3 in liter. Answer: 3

Find 2/3 of 8.7cm? Answer: 5.8

Find digit in the place of sign * such that: 6*4  is divisible by 9. Answer: 8

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l21

Find the missing number in the following number sequence: 1, 4, 10, 22, 46, …, 190? Answer: 94

Bài giải chi tiết:

Find the missing number in the following number sequence: 2, 2, 3, 5, 14, …, 965. Answer: 69

Bài giải chi tiết:

John shared his cards with two friends. He gave 40% of his cards to Peter. Then he gave 1/3 of the remainder to Mary. He kept the rest of 48 cards. How many cards did John have first? Answer: 120

Bài giải chi tiết:

Line segment AB is 6cm long. Point M is the midpoint of line segment AB. Calculate AM. Answer: 3

Linh deposited one million VND in a bank. The bank paid 6% interest per year. How much money would she have in the bank after 1 year? Answer: 1060000

Mr. Nam deposited some money in a bank. The annual interest rate is 2%. After one year, he got all $16728. How much did he deposit in the bank at first? Answer: 16400

Bài giải chi tiết:

Nam spent an average of 10000 VND per day for a week. How much did he spend altoghether in the week? Answer: 70000

The average height of 2 boys is 131.6cm. The average height of 4 girls is 128.3cm. What is the average height of all children? Answer: 129.4

Bài giải chi tiết:

The mass of 300 identical cans is 4.5kg. What’s the mass of a can in gam? Answer: 15

The masses of 3 children are 30.3kg; 24kg and 21.6kg. What is their average mass? Answer: 25.3

The original price of a television set was $250. What was the price of a television set after 20% sale? Answer: 200

The radius of a circle is 3cm. Which is the perimeter of the circle? Answer: 18.84

There are 1500 participants at a concert. 55% of the participants are men, 40% of the remainder are women. The rest are children. How many children are there at the concert? Answer: 405

Bài giải chi tiết:

Two years ago, Miss Lan’s salary was $2300. She got a 5% increment last year and a 10% increment this year. What is Miss Lan’s salary now? Answer: 2656.5

Bài giải chi tiết:

What is 60% of 80? Answer: 48

Which decimal is larger? 234.5 … 234.45. Answer: >

Which mass is larger: 7kg/8 ... 9kg/10. Answer: <

Exam 2: Đi tìm kho báu

Compare the numbers: three fifteenths _ three tenths? Answer: <

Find the value for the expression: 12/4 + (15 - 4) x 2 = ... Answer: 25

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l24

Find the value for the expression: 12 - (9 - 4) + 2. Answer: 9

How many total legs are there on 4 horses and 11 people? Answer: 38 legs

Bài giải chi tiết:

How many minutes are there in 1 day? Answer: 1440 minutes

In table of value, what would the missing value be?

Input
3
15
45
60
100
Output
18
90
270
360
?

Answer: 600

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l25

Bài giải chi tiết:

Mrs. Hiatt (H) is one year less than twice as old as her son, Jaime (J). Which equation represents this numerical relationship? Answer: 2J - 1 = H

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l29

Peter’s mom is 38. Peter is 9. Which equation does not help you find how old Peter’s mom when Peter was born? Answer: n - 9 = 38

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l30

Roman numerals are still used today. We see them on some clock faces or page numbers. If I = 1, V = 5 and X = 10 which Roman Numerals is the number “nine”? Answer: IX

Three consecutive numbers have a sum of 180. What are the numbers? Answer: 59, 60, 61

What is the exact amount of a 15% tip on an $8 meal at a restaurant? Answer: $1.20

What is the next number in the pattern: 11, 13, 15, 17, 19, _? Answer: 21

What is the next number in the pattern: 51, 44, 37, _? Answer: 30

Bài giải chi tiết:

What is the value of the following expression: 3 x (3 + 7) ÷ 2? Answer: 15

What are the the missing numbers in the pattern: 2310, 2320, _, _, 2350? Answer: 2330, 2340

Which inequality is correct? Answer: 12.5 < 12.55

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l26

Which is not a way to express the number 60%? Answer: 60/10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l27

Which is the correct expression for “eighteen less than a number”? Answer: n - 18

Which number is “nine more than half seventy - four”? Answer: 46

Bài giải chi tiết:

Which number, n, satisfies the equation: 5n + 1 = 26? Answer: n = 5

Which one is the distributive property showing the product of 8 x 12? Answer: 8 x 10 + 8 x 2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l31

Which one shows the distributive property for: 2(10+3)? Answer: 20 + 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l32

Which sign would be correct when comparing the following number? 4,512 _ 4,511. Answer: >

Which statement shows the associative property of addition? Answer: 9 + (6 + 3) = (9 + 6) + 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l34

Giải thích:

Which statement shows the commutive property of multiplication? Answer: 5 x (3 x 7) = 5 x (7 x 3)

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l35

Giải thích:

Use patterns of numbers to help you find out many circles in Figure 1? Answer: 66

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l38

Bài giải chi tiết:

Use the rectangle in Figure to write an expression for the perimeter. Answer: x + x + 5 + 5

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l33

You buy 5 apples that cost $0.90 each and 3 bottles of water for a total of $8.25. How much did each bottle of water cost? Answer: $1.25

Bài giải chi tiết:

Exam 3: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l28

Sắp xếp theo thứ tự bên dưới (từ trái qua phải, từ trên xuống dưới):

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l37

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 2 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Exam 1: Đỉnh núi trí tuệ

A train needs to transport 1200 tourists. Give that each wagon has 110 seats. How many wagons at least are needed to transport all those tourists? Answer: 11

Bài giải chi tiết:

Agnes is 10 years old. Her mother Lisa is 4 times as old as Agnes. How old will Lisa be when Agnes is twice as old as she now? Answer: 50

Bài giải chi tiết:

Anna wrote 2 - digit number. Ben created a 4 - digit number by coping Anna’s number twice. Then Anna divided Ben’s number by her number. What was the result she got?  Answer: 101

Bài giải chi tiết:

Calculate: 4 x 25 x 116 = ... Answer: 11600

Calculate: 28 x 16 + 28 x 84 = … Answer: 2800

Calculate: 28 x 116 - 28 x 16 = ... Answer: 2800

Calculate the speed of a car, given that it takes the car 2.5 hours fo a distance of 150km. Answer: 60

Bài giải chi tiết:

Edmond was one of 14 athletes in the track – and – field team. They are numbered from 1 to 14. The sum of the numbers of the other 13 athletes is 100. What is Edmond’s number? Answer: 5

Bài giải chi tiết:

Eric is in a building. He is 25m above the ground. He climb up 4 flights of stairs, each of which is 3m high. How high is Eric now above the ground? Answer: 37

Bài giải chi tiết:

Given 5 points in which not any three points are collinear. Draw lines passing through the pair of point. How may any lines are there? Answer: 10

Bài giải chi tiết:

Given A = {3; 5; 7; …; 99}. How may elements are there in the set A? Answer: Answer: 49

Bài giải chi tiết:

Given A = {4; 6; 8; …; 102}. How many elements are there in the set A? Answer: 50

Bài giải chi tiết:

Given A = {x ∈ N ǀ 1 < x  ≤ 8}. How many elements are there in the set A? Answer: 7

Bài giải chi tiết:

Given A = {x ∈ N ǀ  x + 3  = 2}. How many elements are there in the set A? Answer: 0

Given A = {x ∈ N ǀ  x . 2  = 4}. How many elements are there in the set A? Answer: 1

Given A = {x ∈ N ǀ  x . 3  = 4}. How many elements are there in the set A? Answer: 0

Given the set D = {x ∈ N ǀ 1 ≤ x < 7}. Which statement is false? Answer: 7 ∈ D

Given the set D = {x ∈ N ǀ x < 7}. Which statement is true?Answer: 5 ∈ D

Given two parallel lines xy and zt. Three points A, B and C are on line xy, two points D and E are on line zt. Draw lines passing through the pair of points. How many lines are there? (including xy and zt). Answer: 8

Bài giải chi tiết:

In a promotional sale, anyone who buys a bottle of juice at the regular price of 7 dollars can get a second bottle of juice by paying 1 more dollar. A group has 9 people, each of them wants a bottle of juice. How many dollars does the group have to pay at least? Answer: 39

Bài giải chi tiết:

The 8 people at a party are 4 couples. Each man shakes hands with everyone except his own wife. No women shake hands with each other. What is the total number of handshakes among these 14 peoples? Answer: 18

Bài giải chi tiết:

The natural number which comes right after 17 is... Answer: 18

There are four kids. If we compute the total ages of three of them at a time, the sum are 22, 20, 17, 25 respectively. What is the difference in age between the oldest and the youngest among these four kids? Answer: 8

Bài giải chi tiết:

The general form of number is divided by 3 with the remainder 2 is...Answer: 3k + 2 (k ∈ N)

What number is represented by the following symbol? XIX. Answer: 19

Which statement is false? Answer: February has 30days

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l72

Which statement is true? Answer: 0 is the smallest natural number

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l73

Write in numeral form: five hundred and twenty. Answer: 520

Use each of the digits 3, 4, 5 and 6 exactly once to form two 2 - digit number. What is the difference between the largest possible product and the smallest possible product of two such numbers? Answer: 1792

Chú ý:

Exam 2: Đi tìm kho báu

Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)

Câu 2:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer: 111

Bài giải chi tiết:

Câu 9:
Calculate: 1/10 + 2/10 + 3/10 + 4/10 + 5/10 + 6/10 + 7/10 + 8/10 + 9/10 + 55/10 = 10
.
Câu 8:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?
Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l40
Answer: 97 beans.

Bài giải chi tiết:

Câu 1:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.
Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l41
Answer: 31

Bài giải chi tiết:

Câu 3:
If Juan spent 1/4 of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.
Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l42
Answer: 80 dollar.

Câu 7:
If n2 = n x n and n3 = n x n x n, what is the value of 25?
Answer: 32

Câu 10:
If n2 = n x n and n3 = n x n x n, what is the value of 34?
Answer: 81 

Câu 2:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer: 960 dollar.

Bài giải chi tiết:

Câu 9:
If your parents give you one penny on Day 1, 2 pennies on Day 2, 4 pennies on Day 3, 8 pennies on Day 4. If the pattern continues, how many pennies will your parents give you on Day 15?
Answer: 16384 pennies.

Bài giải chi tiết:

Câu 1:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?
Answer: 40 minutes.

Bài giải chi tiết:

Câu 9:
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
Answer: 26 years old.

Bài giải chi tiết:

Câu 4:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:
Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l43
If your code is sum of the letter values, what is the value of "MATH" ?
Answer: 42

Bài giải chi tiết:

Câu 5:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer: 67 pennies.

Bài giải chi tiết:

Câu 5:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
Answer: The two numbers are 15;18.
(write your answer in order from least to greatest and use ";" between the numbers)

Bài giải chi tiết:

Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
Answer: 64

Bài giải chi tiết:

Câu 3:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Answer: 15

Câu 6:
What is the value of the following expression: 3 x (3 + 7) : 2 = ?
Answer: 15

Câu 8:
Use the table of values to help you find the value of 9 feet in inches.
Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l44
Answer:  
The value of 9 feet in inches is: 9 x 12 = 108

Câu 7:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with 15x15 cans on the first level, 14x14 on the second level and continue the pattern all the way up to just one can on top?
Answer: 1240 cans.

Bài giải chi tiết:

Exam 3: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l39

Sắp xếp theo thứ tự bên dưới (từ trái qua phải, từ trên xuống dưới):

100:130+30:13010-4x28-2x28-4:2
4-17+4x50.8x10The value of a such that a-6=3The value of a such that a+2=12
The value of a such that ax2=22The value of a such that a:3=4The value of a such that (a-10)-3=0The value of a such that 2+ax2=30
The value of a such that 150-ax2=120The area of 4cm square egde in cm2The largest remainder in the division by 18The value of a such that a-4x2=10
The value of a such that 25% of a is 50.1+0.2+0.3+…+2.0The value of a such that 18-a:2=7The number is 17 more than 6
The number is 16 less than 40The number of elements of the set {4; 8; 12; …; 100}260% of the smallest 2 - digit numberThe number of elements of the set {3; 6; 9; …; 87}
The missing number in the blank 1, 3, 7, 15,…The value of a such that a+ax4-ax2=96The value of a such that 210/a = 35/6The value of a such that a:4+a:3=22.75
The value of XL in the decimal number systemThe missing number in the blank 1, 2, 5, 14,…  

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 3 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Exam 1: Cóc vàng tài ba

A movie started at eleven o’clock a.m, and lasted three hours. At what time did the movie end? Answer: 2:00 p.m

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l43

A number has nine ones, six tens, and eight hundreds. What is the number? Answer: 869

Calculate: (1000 + 998 + … + 4 + 2) - (999 + 997 + … + 3 + 1) = … Answer: 500

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l44

Giải:

Considering the sequence of number: 1; 8; 27; 64; 125; 216; #. Which of the folowing possible choice for # best continues the pattern? Answer: 343

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l45

Giải:

Given two number a and b. If 64 subtracted from a, then the resulting number is equal to b. If 32 is subtracted from b, then the resulting number is 136. What is the greater number? Answer: a = 232

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l54

Giải:

How many faces does a cube have? Answer: 6

Jenny reads two pages every five minutes. How many pages will Jenny read after twenty five minutes? Answer: 10 pages

Lian has seven hundred fifty nine cucumbers. He sold five hundred sixty three of them. How many cucumbers does lian have left? Answer: 196

Look at the fraction bars. Which fraction bar shows one sixth shaded? Answer: 1/6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l46

Look at the number, which digit is in the tens place? 962. Answer: 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l47

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l48

Mark is going on a vacation to visit his grandparents. He will be gone one week. About how many days will Mark be gone? Answer: 7 days

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l49

There are nine benches in a park. There are two people sitting on each bench. How many people are sitting on the nine benches altogether? Answer: 18

There are only two 2 - digit numbers that are a multply of 7 and the sum of their two digits is 10. Find the sum of these two 2 - digit number. Answer: 119

There are twenty one shells. The shells are equally divided among three students. How many shells will each student get? Answer: 7

There were ten frogs in a pond. Each frog has four legs. How many frog legs were there altogether? Answer: 40

Tom walked for one hour. How many minuties did Tom walk? Answer: 60 minuties

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l50

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l51

What is another way to write nine hundred eighty seven? Answer: 900 + 80 + 7

What is another name for four hundred plus forty plus eight? Answer: 448

What is the value of 5 in five hundred twenty six? Answer: 500

What is two hundred fifteen plus fifty seven? Answer: 272

Which digit is in the ones place in the number two hundred thirty four? Answer: 4

Which number sentence is true? Answer: 3592 < 3752

Which of the following fraction is the greatest? Answer: 1/2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l53

Which number is suitable to fill in the box? 386 < □ < 521. Answer: 511

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l52

Exam 2: Điền kết quả thích hợp vào chỗ (...)

Câu 5:
(23)5 = 2...
Answer: The missing number is 15

Câu 2:
58 x 53 = 5...
Answer: The missing number is 11

Câu 6:
510 x 610 = 3010

Câu 4:
810 : 8 = 8...
Answer: The missing number is 9

Câu 1:
9 is the squared of 3

Câu 3:
64 = 43

Câu 1:
100 x 1000 = 10...
Answer: The missing number is 5

Câu 7:
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer: 42 %

Câu 4:
121 = 112.

Câu 7:
Anna is 1.53m tall. What is her height in centimeters?
Answer: 153 (cm)

Câu 10:
Find the last digit of 22016 .
Answer: The last digit of 22016 is 6

Giải:

Câu 10:
Find the number n such that 58 - 2 x 3n = 4.
Answer: 3

Câu 2:
Find the number n such that 2016n = 1.
Answer: 0

Câu 5:
Find x such that: (2x - 1)4 = 81
Answer: 2

Câu 9:
Find x + y such that 2x +80 = 3y.
Answer:  

Giải:

Câu 10:
Given 50 lines that any 3 lines are not concurrent. How many intersection point are there?
Answer: 1225

Giải:

Câu 9:
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Answer: There are 4950 lines.

Giải:

Câu 8:
Given that 4 points A, B, C, D are on the same line. How many segments are there?
Answer: 6 segments.

Giải:

Câu 8:
Given that the set A={x∈Nǀx⋮3,2≤x≤999}.
How many elements are there in the set A?
Answer: 333

Giải:

Câu 9:
Given that a & b= ( a+ b)(a - b). Evaluate: 4 & 3.
Answer: 4 & 3 = 7

Câu 10:
Han and Finn have 120 dollar. Han and Peter have 230 dollar. Peter has 6 times as much money as Finn. How much money does Han have?
Answer: Han has 98 dollar.

Giải:

Câu 8:
Maria is 10 years old and her sister is 7 years old. In how many years' time will their total age be 41 years?
Answer: 12 years.

Giải:

Câu 1:
The cube of 3 is 27

Câu 1:
The fourth power of 3 is 81

Câu 5:
The value of n such that 2n - 15 = 17.
Answer: n = 5

Câu 6:
The value of n such that 3n + 1 = 82.
Answer: n = 4

Câu 8:
The value of n such that 3n + 15 = 96.
Answer: n = 4

Câu 1:
What is the greatest remainder when a number divide by 9?
Answer: 8

Fill in the blank with the suitable sign (>; =;<)

Câu 10:
Compare: 2100 > 1030  

Giải:

Câu 10:
Compare: 310 = 95

Giải:

Exam 3: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_117

Sắp xếp theo bảng bên dưới (từ trái qua phải, từ trên xuống dưới):

The value of a such that 2a=1The value of a such that 55÷53=5aThe value of a such that 42x4=4aThe value of a such that 36=a2(a∈N)
The value of a such that 343=a3Fill the missing number. A cube has… verticesThe value of a such that 18(a-8)=18The value of a such that 23x53=a3
The value of a such that 121=a2The value of a such that 12-a:3=8The value of a such that 3-(a-10)=0The value of a such that 23+ax2=62
The value of a such that 15a-33=26x3The perimeter of 4cm square egde in cmThe number is 11 more than 6Twice the square of 3
The value of a such that 75% of a is 15Fill the missing number. We’re in the …st centuryThe value of a such that 82-a:2=72+4The number is six greater than seventeen
40% of 60The two last digits of 252016270% of the smallest 2 - digit numberThe number of elements of the set {4;8;12;…;116}
The value of such that 640-a2:2=190The value of a such that a+ax5-ax3=96The value of a such that 216:a=a/6The value of a such that a2:20+a2:40=108.3
The value of XLV in the decimal number systemThe number of ethnic group in Vietnam

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 4 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: Đi tìm kho báu

(24)6 = 2 The missing number is … Answer: 24

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_138

Giải:

58 ÷ 53 = 5 The missing number is … Answer: 5

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_139

Anna weighs 40kg. What is her weigh in gram? Answer: 40000

Giải:

Complete with <, > or =: 5 + 3 - 2 … 12 x 6 ÷ 2? Answer: <

Ethel made a list of all the whole numbers between 1 to 100. How many times did she write the digit 3? Answer: 20

Giải:

Find the last digit of 272016. Answer: 1

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_140

Giải:

Find the whole number n such that 2n = 4. Answer: 2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_141

Giải:

Find x such that 2x - 3 = 5. Answer: 4

Giải:

Give that 5 points A, B, C, D, E are on the same line. How many segments are there? Answer: 10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 5lpd9s

Giải:

Given 15 points with any 3 points non - aligned. Draw all the line passing through any 2 of these points. How many lines are there? Answer: 105

Giải:

Give that 1234a is divisible by 10. What is the value of a? Answer: 0

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_142

Giải:

Given that a # b = a2(a - b). Evalute 4 # 3. Answer: 16

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_143

Giải:

Giải:

Give that the set A = {x ∈ N ǀ x ⋮ 5 and 5 ≤ x < 2015}. How many elements are there in the set A? Answer: 402

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_144

Giải:

How many percent of 60 is 48? Answer: 80

Giải:

Jenny bought 7 T - shirts for her seven brothers, for $9.85 each. The cashier charged her an additional $ 10.77 in sales tax. She left the store with $10.28. how much money did Jenny have at first? Answer: 90

Giải:

Mrs Roshan had 9m of fabric. She sold 2m in the morning and 3m in the afternoon. How many meters of fabric does she have left? Answer: 4

Giải:

The value of n such that 3n - 1 = 80. Answer: 4

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_145

Giải:

The value of n such that 5n : 5 - 20 = 5. Answer: 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_146

Giải:

The value of the Roman number XI in the decimal number system is… Answer: 11

Giải:

There are 60 questions in a test. David answered 80% of them correctely. How many questions did David answer incorrectly? Answer: 12

Giải:

What is the greatest remainder when a number divisible by 5? Answer: 4

Giải:

What is the sum of 23 and the product of 5 and 2? Answer: 33

Giải:

Which of the following difference is divisible by 2? Answer: 1004 - 202

Giải:

Which of the following number is divisible by 2? Answer: 132

Giải:

Which of the following number is divisible by 5? Answer: 125

Giải:

Which of the following sum is divisible by 5? Answer: 1005 + 2015

Giải:

Bài thi số 2: Vượt chướng ngại vật

A square table top has an area of 149 square cm. The length of a side of the table top will be between which two numbers of cm? Answer: 12 and 13

Giải:

Calculate: 2 + 10 : 2 + 3 x (4 - 2)2 = … Answer: 19

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_148

Calculate: 7 + 5 x 5 - 6 = … Answer: 26

Calculate: 203 + 87 : 29 - 7 x 12 + 23 x 52 = … Answer: 322

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_149

Calculate: 20160 + 4 x 32 - 62 : 18 = … Answer: 35

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_147
Find the missing digits a, b, c and d in the problem: a35 + 8b6 + 14c = d408. Answer: a = 4, b = 2, c = 7, d = 1

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 14nh645

Giải:

Find the value for expression: [3 x (5 - 1)2]. Answer: 48

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_150

Find the value for expression: [(32 - 23)2 : 3 + 1]. Answer: 28

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_151

Find the value of x that makes the sentence true: x + 6 = 82. Answer: 76

If x is even and y is odd, which of the following must be even? Answer: xy

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_152

Giải:

In the diagram on the right, the number in each circle is the sum of two numbers in the two circles below it. What is the value of x? Answer: 82

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_128

Giải:

In the table of value, what would be the missing value? Answer: 34

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_130

Giải:

Let a and b be digits from 0 - 9. Find a and b in addition problem. If a23 + 45b = 681. Answer: a = 2, b = 8

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_131

Giải:

Solve for x: 17 x 62 - 230 : x = 589. Answer: x = 10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_153

Solve for x: 128 - 3(x + 4) = 23. Answer: x = 31

Solve for x: (x + 1) + (x + 2) + (x + 3) +(x + 4) +(x + 5) = 75. Answer: x = 12

The diagram on the right shows a cube of side 18cm. A giant ant walks across the cube’s surface from X to Y along the route shown. How far does it walk? Answer: 90cm

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_132

Giải:

The number 234 is not divisible by… Answer: 4

The number written as: 4 x 103 + 5 x 10 + 7 is represented by … Answer: 4057

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_154

The original price of an item was $60. It was offered on sale with a 20% discount. Later, it was discounted an additional 25%. What is the final price? Answer: $36

Giải:

The sale price of an item on sale for 40% is $48. What was the original price? Answer: 80

Giải:

The sum of nine consecutive integers is 2016. What is the smallest of these ? Answer: 220

Giải:

Three consecutive odd integer have a sum of 51. Which equation helps you solve for the numbers? Answer: n + n + 2 + n + 4 = 51

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_155

Three times a number plus eight is eleven. What is the number? Answer: 1

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_156

Giải:

What is the value of 210? Answer: 1024

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_157

What would the 4th pentagonal number in figure if you follow the same pattern. Answer: 35

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_133

Giải:

When you evaluate the expression: 1 + 5 x {3 x [800 - 6 x (35 + 15) + 698]}, what do you do fisrt? Answer: Add 35 + 15

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_158

Giải:

Which expression is equivalent to 76 x 710? Answer: 498

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_159

Giải:

Which statement shows the associative property of addition? Answer: (3 + 4)  + 2 = 3 + (4 + 2)

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_161

Giải:

Which statement shows the commutative property of multilication? Answer: 5 x 3 x 4 = 5 x 4 x 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_160

Giải:

Bài thi số 3: Đỉnh núi trí tuệ

A man has 570 oranges. He packs them into packets of fifteen. How many packets does he make? Answer: 38

Giải:

A factory produces 67200 pairs of shoes in a year. How many pairs of shoes are produced in a month? Answer: 5600

Giải:

Calculate: 1 - 3 + 5 - 7 + 9 - 11 + 13 - … + 97 - 99 + 101 = … Answer: 51

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_134

Giải:

Calculate: 1 - 11 + 21 - 31 + 41 - 51 + 31 - 71 + 81 - 91 + 101 = … Answer: 51

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_135

Giải:

Calculate: 2 x (13 x 12) - 3 x (96 : 4)= … Answer: 240

Calculate: 11 + 13 + 15 + 17 + … + 99 = … Answer: 2475

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_136

Giải:

Calculate: 13 x 34 x 12 = … Answer: 5304

Calculate: 186 - 72 : 6 + 25 x 8 = … Answer: 374

Calculate: 216 : 2 x (8 + 4) =… Answer: 1296

Calculate: 6504 - 3485 – 938 =… Answer: 2081

Calculate: 7016 - 389 + 989 =… Answer: 7616

Calculate the product of 28 and 532. Answer: 14896

Find the difference between 925138 and 702576. Answer: 222562

Fill the missing number in the follwing number sequence: 0, 3, 9, 18, 30, ?, 63. Answer: 45

Giải:

Find the quotient when 1392 is divided by 24. Answer: 58

Find the remainder when 1037 is divided by 37. Answer: 1

Find the sum of 29438 and 178299 and 9526. Answer: 217263

Find the sum of 363597 and 285742. Answer: 649339

Find the value of 36479 - 4386 - 27116. Answer: 4977

Given the number sequence: 21, 27, 33, 39, ?, 51. Fill in the missing number. Answer: 45

Giải:

Goe sells 5880 bottles of fruit juice in a month. How many bottles of fruit juice can he sell in a year? Answer: 70560

Giải:

John has 4675 marbles. He puts 25 marbles into each box. How many boxes does he need? Answer: 187

Giải:

Refer to the following number sequence 5, 10, 17, 26, 37, 50,…. Determine the 19th tern in the sequence. Answer: 401

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_137

Giải:

Subtract 864 from 2736. Answer: 1872

The difference between two numbers is 6259. If the smaller number is 3927, find the larger number.
Giải:

There are 36 classes in a school. Every class sends four pupils to take part in a mathematics quiz. How many pupils are taking part in the mathematics quiz? Answer: 144

There are 1783 blue marbles, 965 green marbles and 874 red marbles in a box. Calculate the total number of marbles in the box. Answer: 3622

What is the value of the digit 6 in the number 5627389? Answer: 600000

Which the follwing number is divisible by 24? Answer: 6936

Zea bought 3 boxes of apples, each box contained 50 apples. 25 apples were rotten and were thrown away. He packed the remaining apples equally into 5 bag. How many apples were there in each bag? Answer: 25

Giải:

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 5 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l35

Sắp xếp theo bảng bên dưới (từ trái qua phải, từ trên xuống dưới):

80 : 140 + 60 : 14012 - 5 x 2
3 + 200 x 08 - 6 : 2
14 - 9 + 6 : 31 + 707 : 101
The value of a such that  a + 6 = 15The value of a such that a + 7 = 17
The value of a such that a x 11 = 121The value of a such that 84 : a = 7
The value of a such that (a - 12) - 1 = 0The value of a such that 12 + a x 3 = 54
The value of a such that 180 - a : 3 = 175(22)2
4 x 32 : 2The largest prime number less than 20
The value of a such that 20% of a is 432 x 72 : 21
The value of a such that 38 - a : 11 = 32 x 22The number is 16 more than 7
26 x 3 : 8The number of elements of the set {6, 10, 14, …, 102}
2 x 35 : 18The largest prime number is less than 30
The smallest prime number is greater than 30The value of a such that 3a - 150 = 6 - a
The value of a such that a2 = 1024; a > 0The greatest common divisor 72 and 108
20160 + 3500:[23 + (32 x 2 - 12)]1 + 82 x 76 + 25 x 76 - 7 x 76

Bài thi số 2: Điền kết quả thích hợp vào chỗ (...):

Câu 3:
A = {178,298,1909,7209}. How many elements of the set A are divisible by 3?
Answer: 1 element(s).

Giải:

Câu 1:
A = {187,288,3909,7209}. How many elements of the set A are divisible by 9?
Answer: 2 elements

Giải:

Câu 1:
A is a set of multiples of 12 less than 12. How many elements does the set A have?
Answer: The set A has 1 element(s)

Giải:

Câu 2:
A is the set of factor of 12 more than 6. How many elements does the set A have?
Answer: The set A has 1 element(s)

Giải:

Câu 10:
Among all natural number pairs (a, b) satisfy (a + 5) (b - 3) = 15, one pair has the greatest product. What is this product?
Answer: The greatest product is 40

Giải:

Câu 10:
An had 60 marbles. An wanted to put them in bags so that there are equal numbers of marbles in each bag. How many ways can An equally put the 60 marbles in bags? (Including the case putting in one bag)
Answer: There are 12 ways.

Giải:

Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is 96

Giải:

Câu 9:
Find the greatest 2-digit number that has at least divisors.
Answer: It is 97

Giải:

Câu 5:
Find the natural number k so that the product of k and 5 is a prime number.
Answer: k = 1

Giải:

Câu 9:
Find the prime number p such that p + 2 and p + 94 are also prime numbers.
Answer: p = 3

Giải:

Câu 1:
Find the remainder of 1010 when it is divided by 3.
Answer: The remainder is 1

Câu 2:
Find the remainder of 9287 when it is divided by 3.
Answer: The remainder is 2

Câu 3:
Find the remainder when 9287 - 1234 is divided by 3.
Answer: The remainder is 2

Câu 4:
Find the remainder when 9287 + 1234 is divided by 9.
Answer: The remainder is 8

Câu 8:
Given that 1a is a composite number. How many values of a are possible?
Answer: There are 6 values.

Giải:

Câu 7:
Given that 300 = 2ax 3b x 5c. Find the value of  .
Answer: 5

Giải:

Câu 4:
Given that 452a is divisible by 9. What is the value of a?
Answer: a = 7

Câu 6:
Given that 511 is the sum of two prime numbers a and b, (a < b). What is the value of a?
Answer: a = 2

Giải:

Câu 7:
Given that 511 is the sum of two prime numbers a and b, (a < b). What is the value of b?
Answer: b = 509

Giải:

Câu 5:
Given that 1400 = 2a x 5b x7c. Find the value of a + b + c.
Answer: a + b + c = 6

Giải:

Câu 8:
Given that A = 35. How many divisors does the number A have?
Answer: The number A has 6 divisors.

Giải:

Câu 10:
Given that A = 29 X 39 X 59. How many divisors does the number A have?
Answer: The number A has 1000 divisors.

Giải:

Câu 10:
Given that A = 39 X 59. How many divisors the number A have?
Answer: The number A has 100 divisors.

Giải:

Câu 7:
Given that A = 5 X 17. How many divisors does the number A have?
Answer: The number A has 4 divisors.

Giải:

Câu 9:
Given that A = 3100. How many divisors does the number A have?
Answer: The number A has 101 divisors.

Giải:

Câu 6:
Given that a1 is a prime number. How many values of a are possible?
Answer: There are 5 values.

Giải:

Câu 3:
Given that b513 is divisible by 9. What is the value of b?
Answer: b = 9

Câu 6:
How many prime numbers less than 10 are there?
Answer: There are 4 numbers.

Giải:

Bài thi số 3: Đi tìm kho báu

A 4 - digit number   is divisible by 2, 3, 5 and 9. Find the value of x + y. Answer: 4

Giải:

A 4 - digit number   is divisible by 2, 3, 5 and 9. Find the value of x x y. Answer: 0

Giải:

A 4 - digit number is divisible by all of the numbers from 1 to 10 without any remainder. Find the smallest possible value of 4 - digit number. Answer: 2520

Giải:

A 5 - digit number   is divisible by 5 and 9. How many the possible numbers satisfy these conditions? Answer: 3

Giải:

Calculate: 1 - 11 + 21 - 31 + 41 - 51 + 61 - 71 + 81 - 91 + 101 = … Answer: 51

Giải:

Calculate: 11 + 13 + 15 + 17 + … + 97 + 99 = … Answer: 2475

Calculate: 22 x 33 + 33 x 44 + 44 x 55 + 55 x 66 = … Answer: 8228

Giải:

Calculate: 75 x 2 : 8 x 126 : 15 x 4 = … Answer: 630

Calculate: 201 + 301 + 401 + 501 + 601 - 199 - 299 - 399 - 499 - 599 = … Answer: 10

Giải:

Calculate: 2017 + 2017 x 2016 - 2016 - 2016 x 2017 = … Answer: 1

Giải:

Calculate: 12345 + 23451 + 34512 + 45123 + 51234 = … Answer: 166665

Considering the sequence of numbers: 1; 8; 27; 64; 125; 216; #. Which number # continues the pattern? Answer: 343

Giải:

Each small square in the figure has the area of 1 square units. If A, B, C and D represent the four shaded areas, which on has the largest area? Answer: D

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l36

Giải:

Find the remainder when the following 2017 - digit number is divided by 9. Answer: 4

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l40

Giải:

Find the units digits of: 32017 - 1. Answer: 2

Giải:

Find the units digit of 2314 x 426 + 573 x 233. Answer: 3

Giải:

Find the value of A if the number below is divisible by 9. 788716A. Answer: 8

Giải:

How many triangles can you find in the figure on the right? Answer: 10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l37

Giải:

In a group of 4 - digit numbers, the hundreds digit is 3 and tens digit is 6. All these numbers are divisible by 2 and 3. Find the sum of the largest and the smallest of these numbers. Answer: 10728

Giải:

The product of three consecutive natural numbers is 1716, find the sum of three numbers. Answer: 36

Giải:

The solid on the right is composed of how many of cube? Answer: 23

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l38

Giải:

Two rectangles measuring 6cm x 7cm and 8cm x 9cm overlap as shown. The region shaded grey has an area of 32cm2. What is the area of the black region? Answer: 62

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l39

Giải:

What is the units digit of 22016 x 42016 x 62017? Answer: 6

Giải:

What is the units digit of product of 39? Answer: 3

Giải:

When 117 is divided by a number m, we get a quotient of 6 and the remainder of 3. What is the number m? Answer: 19

Giải:

When a whole number N is multiplied by 7, the last three digits of the product is 173. Find the smallest possible value of N. Answer: 739

Giải:

Write down numbers from 100 to 150, a total of how many digits 2 are written? Answer: 15

Giải:

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 6 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: Tìm cặp bằng nhau

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l88

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l89

Bài thi số 2: Vượt chướng ngại vật

56 : 53 = 5x. The value of x is … Answer: 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_117

42 is multiple of … Answer: 2, 3 and 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_112

181 x 124 - 181 x 24 = 181 x … The missing number is ... Answer: 100

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_110

183 x 24 + 183 x 76 = 183 x … The missing number is ... Answer: 100

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_111

A roll of wallpaper covers half the area of a square wall whose width is 8m. The area of the part covered by this wallpaper is… Answer: 32m2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_129

Giải:

Calculate: 9 x 94 = ... Answer: 310

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_113

Calculate: 100 x 10 + 10 x 1 = … Answer: 1010

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_105

Every birthday of my life, I put as many pennies in a jar as my age in years. I have $2.10 in the jar now. How old am I? ($1 = 100 pennies). Answer: 20

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_124

Giải:

Find LCM of 6, 9 and 15. Answer: 90

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_115

Given that 60 ⋮ x. The value of x can be … Answer: 12

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_126

Given that a and 21 are relatively prime numbers. The value of a can be … Answer: 8

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_108

Given that a13b is divisible by 2, 5 and 9. The value of a + b is … Answer: 5

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_118

Given that x ⋮ 6. The value of x can be … Answer: 24

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_101

Given that x ⋮ 12, x ⋮ 10 and 100 < x  < 150. Find x. Answer: 120

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_103

Giải:

How many positive divisors of 200 are also multiples of 200? Answer: 1

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_128

I multiply 2 natural numbers. Their product is 64. Their sum cannot be … Answer: 64

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_119

If 2 pears weigh as much as 3 peaches and 2 peaches weigh as much as 30 grapes, then … pears weigh as much as 135 grapes. Answer: 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_109

Giải:

If my pet runs 450cm per second and your rocket flies 450m per second then your rocket travel … times as fast as my pet. Answer: 100

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_127

Giải:

James wants to tle a floor measuring 90cm by 120cm with square tiles of the same side. Given that he uses only whole tiles, find the largest possible length of each tile? Answer: 30

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_102

Giải:

Ten years ago, the sum of the ages of Ted and his twin brother Told was 44. How old is Ted? Answer: 32

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_123

Giải:

The area of a square with natural side - lengths could be ... Answer: 1600 square units

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_114

The average of 11, 12, 13, 14, 15, 16, 17, 18, 19 is … Answer: 15

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_107

Giải:

The greatest divisor of 9 is … Answer: 9

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_106

The least common multiple (LCM) of 4 and 6 is … Answer: 12

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_121

The smallest multiple (non - zero) of 9 is … Answer: 9

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_122

The sum of 2 prime numbers is equal to 999. Find the product of these two numbers. Answer: 1994

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_104

Giải:

We have 8 tents for 26 campers. Each tent holds either 2 or 4 campers. Exactly how many of our tents hold 2 campers? Answer: 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_116

Giải:

Which of the following number is twice a multiple of 6? Answer: 36

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_120

Which of the following results is a prime number? Answer: 10 + 7

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_125

Bài thi số 3: Đi tìm kho báu

Alice has some apples. She gave half of them to her father and she ate one apple. She then gave her mother half of the remains and she again ate one apple. Finally, she gave half of the remains to her brother she ate another apple. At that time, she still has 2 apples left. How many apples did she have in the beginning? Answer: 30

Giải:

Henry has some coins that show their values in dollars as shown in the figure on the right. If he wants to buy a $12 pen, how many different ways can he pay for it? Answer: 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l91

Giải:

How many 2 - digit numbers are there such that the units digit is even and the tens digit is 3 more than the units digit? Answer: 4

Giải:

How many 3 - digit numbers that are multiples of 6, in which the sum of hundreds digit and units digit is twice tens digit? Answer: 20

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_100

giải:

How many 3 - digit prime numbers such that the sum of digits is 5? Answer: 4

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l92

Giải:

How many distinct 3 - digit numbers can be formed from the four digits 1, 3, 5 and 0? Answer: 18

Giải:

How many the shaded triangles are need to make up the figure on the right? Answer: 14

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l97

Giải:

How many triangles can you find in the figure on the right? Answer: 10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l98

Giải:

How many triangles that are missing ffrom the large triangle shown on the figure on the right? Answer: 11

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l94

Giải:

If 8 x N ⋮ (N - 13), then how many different natural numbers N satisfy? Answer: 8

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Captur11

Chú ý:

If the sum of three consecutive whole numbers is 63, what is the largest of these  3 numbers? Answer: 22

Giải:

Jane starts from home at 7:40 in the morning to walk to her school and arrives her school at 8:10. How many minutes did she walk? Answer: 30

One of the figure below is not like the other three.

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l90

Giải:

The picture on the right is composed of which 2 figures? Answer: Parallelogram and Trapezoid

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l99

Giải:

The solid shown as the figure on the right is composed of how many? Answer: 15

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l95

Giải:

This year, Cory is 6 years old and Peter is 8 years old. How many years later will the sum of their ages be 20? Answer: 3

Giải:

What is the difference between the largest and the smallest 2 - digit numbers that can be formed by the four digitis 0, 5, 6 and 2? (Each digit must be used once and only once). Answer: 45

Giải:

What is the largest 3 - digit number so that it has a remainder of 2 when being divided by 4 and it has a remainder of 4 when being divided by 6 and it has a remainder of 2 when being divided by 7? Answer: 982

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l93

Giải:

When m and n are natural numbers greater than 1, which of the following four expressions cannot be prime numbers? Answer: n(n + 1) + 2m

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l96

Giải:

When you write down numbers from 100 to 150, how many the digits 2 that are writen are there? Answer: 15

Giải:

When you write down whole numbers from 20 to 50, how many times would the the digit 5 show up? Answer: 4

Giải:

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Các bạn có thể xem và tải toàn bộ Đề và đáp án vòng 7 thi Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: Điền vào chỗ trống

Câu 9:
Class 6A has 42 pupils. 30 of them joined the Swimming club and 25 of them joined the Gymastic club. All pupils must be a member of at least one club, find the number of pupils who joined both clubs.
Answer: 13 pupils.

Câu 9:
Determine the last two digits in 212016.
Answer: 21

Giải:

Câu 5:
Find the distance from point -2 to point -8 on the number line.
Answer: The distance is 6

Câu 5:
Find the distance from point 6 to point -2 on the number line.
Answer: The distance is 8

Câu 7:
Find the greatest integer that is smaller than -7.
Answer: It is -8

Câu 7:
Find the greatest negative integer.
Answer: It is -1

Câu 6:
Find the opposite number of ǀ-28ǀ.
Answer: It is -28

Câu 9:
Find the smallest natural number which has exactly nine divisors.
Answer: 36

Giải:

Câu 5:
Find the smallest negative integer that is greater than -100.
Answer: It is -99

Câu 1:
Find the value of ǀ-3ǀ + ǀ-6ǀ.
Answer: A= 9

Câu 1:
Find the value of A= ǀ-5ǀ x ǀ5ǀ.
Answer: A= 25

Câu 3:
Find the value of A= ǀ-10ǀ - ǀ-5ǀ.
Answer: A= 5

Câu 1:
Find the value of A= ǀ-10ǀ : ǀ5ǀ.
Answer: A= 4

Câu 9:
Given 20 points. Draw the lines through the 2 points of these 20 points. How many lines are there if only 3 of 20 points are aligned?
Answer: There are 188 lines.

Giải:

Câu 8:
Given a segment AB = 4cm. Let C be a point such that A is midpoint of segment CB. Find the length of segment CA.
Answer: CA= 4 cm

Câu 10:
Given a segment AB = 100cm. Let C be a point between A and B. Let M, N be respectively the midpoint of the segment BC, AC. Find the length of the segment MN.
Answer: MN= 5 dm

Câu 10:
Given that A = {x ∈ Zǀ -102 ≤ x < 50}. How many elements does the set A have?
Answer: The number of elements of the set A is 152

Câu 3:
Given that M is the midpoint of the segment AB. Calculate the length of the segment MB if AB = 10cm.
Answer: MB= 5 cm

Câu 9:
Given that n is a natural number and 1 + 2 + 3 + ... + n = 780. Find n.
Answer: 39

Câu 8:
Given that the distance from point a to point -1 on the number line is 7. Find a if a > 0.
Answer: a= 6

Câu 7:
Given that the distance from point a to point -1 on the number line is 7. Find a if a < 0.
Answer: a= -8

Câu 6:
Given that the distance from point a to point 0 on the number line is 8. Find a if a < 0.
Answer: a= -8

Câu 10:
How many numbers from 1 to 1000 are divisible by 5 or 7?
Answer: 314 numbers.

Giải:

Câu 2:
The preceding number of -3 is -4

Câu 2:
The succeeding number of -7 is -6

Câu 3:
What is the absolute value of -4?
Answer: The absolute of -4 is 4

Câu 4:
What is the greatest number in the following integers: -1, -4, 0, -5?
Answer: The greatest number is 0

Câu 10:
What is the last digit of 7113?
Answer: The last digit of 113 is 7

Giải:

Câu 3:
What is the smallest number in the following integers: -1, -4, 6, 0, -5?
Answer: The smallest number is -5

Bài thi số 2: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_134

Sắp xếp theo bảng bên dưới (từ trái qua phải, từ trên xuống dưới):

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_135

Bài thi số 3: Vượt chướng ngại vật

A 3 - digit number when divided by 57, the remainder is 27; when divided by 217, the remainder is 60. Find the number. Answer: 711

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_140

Giải:

A hawker bought 3 apples for 10000 VND and sold 5 apples for 20000 VND. If he wants to make a profit of 100000 VND, how many apples must he buy in and sell out? Answer: 150

A palindrome number is a positive integer that is the same when read forwards or backwards. The numbers 303 and 6996 are examples of palindromes. The ratio of the number of 4 - digit palindrome numbers to the number of 5 - digit palindrome numbers is … Answer: 1:10

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_141

Chú ý:

A piece of rectangular cloth 48m long and 42m wide, cut into smaller pieses of square shape, without wastage of material. How many squares of maximum size are possible? Answer: 56

Giải:

A submarine is 23m below sea level and dives down 36m. How deep is it now? Answer: 59m below sea level

Circle all the prime numbers: 1  2  15  19  33  57  103  141  223. How many numbers must you circle? Answer: 4

Giải:

Choose the symbol to fill in the blank to make a true statement -8 … N. Answer: ∉

Find the minimum number of plastic cuboids with the dimension 9cm x 6cm x 7cm required to form a cube. Answer: 5292

Giải:

Find the missing number: -3; …; -1; 0; 1; 2; 3. Answer: -2

Find the missing number: -2; …; 0; 1; 2; 3. Answer: -1

How many 3 - digit whole numbers can be formed by using the digits 4, 7, 8, assuning that no digit can be repeated in a number? Answer: 6

How many even whole numbers between 1 and 999 are multiples of 5? Answer: 99

If -10 < x < -8 then the value of x is … Answer: -9

If a is the largest prime number less than 1000, then what is the smallest non - zero natural number b so that a + b is also a prime number? Answer: 12

Giải:

In a 2 - digit number, the difference between tens digits and ones digit is a factor of 28; the product of the tens digit and ones digit is 24. Find the number. Answer: 64

In the 3 x 3 table shown, the numbers 1, 2 and 3 are placed so that each number occurs only once in each row and only once in each column. The value of X + Y is … Answer: 4

In the figure show, the number of rectangle of all size is … Answer: 11

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_137

Giải:

In the rectangle show, the area of the shaded region is … Answer: 50cm2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_136

Opposite number of the number -10 is 10 and of the number 14 is -14. -146 is the opposite number of which number? Answer: 146

The least common multiples (LCM) of three consecutive numbers is 360. Find sum of three numbers. Answer: 27

Giải:

The number 12 has exactly six positive divisors: 1, 2, 3, 4, 6, 12. How many positive divisors does the number 60 have? Answer: 12

Giải:

The perimeter of the figure shown is … Answer: 20

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_138

The product of three consecutive odd numbers is 9177. What is the sum of the numbers? Answer: 63

Giải:

The temperature was -70C and it has fallen by 180C. What is the temperature now? Answer: -250C

Which of the following is false? Answer: Z C N

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_139

Which of the following numbers is greater than -10? Answer: -9

Which of the following numbers is integer? Answer: 0

Which of the following numbers is NOT integer? Answer: 3/2

Which of the following numbers is smaller than -11? Answer: -14

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Các bạn có thể xem và tải toàn bộ Đề thi và đáp án vòng 8 (vòng huyện) Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: Điền vào chỗ trống

Câu 1:
Calculate: -(-2)3 = 8

Câu 2:
Calculate: -(-3)2 = -9

Câu 3:
Calculate: 2017 -(123321 + 2017) = -123321

Câu 8:
Calculate the sum of all integers x such that - 40 ≤  x < 20.
Answer: The sum is -630

Câu 5:
Calculate the sum of all integers x such that - 9 < x ≤ 10.
Answer: The sum is 19

Giải:

Câu 4:
Evaluate A = │-3│ - │x + 1│with x = -5.
Answer: A = -1

Câu 5:
Evaluate: A = -3 - x + 20 with x = -5.
Answer: A = 22

Câu 9:
Fill in the blank with >, < or =.
If (-2)a < 0 then a > 0.

Câu 10:
Fill in the blank with >, < or =.
If (-100)a > 0 then a < 0.

Câu 10:
Fill in the blank with >, < or =.
If the product of a and b is negative and a>0 then b < 0.

Câu 5:
Fill the suitable number in the blank.
(-2) x (x + 3) = -2x + -6

Câu 4:
Fill the suitable number in the blank.
p - (1 + 3p) = -1 + -2 x p

Câu 6:
Find the integer x, given that x - 818 = (-123) - 818.
Answer: -123

Câu 8:
Find the largest 3-digit integer m such that when m is divided by 3, 7, 11 the remainders are 1, 3, and 8 respectively.
Answer: m= 976

Câu 9:
Find the minimum value of A = │4x - 1│ + 3 where x is an integer.
Answer: The minimum value of x is 4

Câu 6:
Find the minimum value of A = │x + 100│ - 100.
Answer: The minimum value of A is -100

Câu 6:
Find the negative integer x, given that │x - 1│ - │-99│ = 1.
Answer: -99

Câu 4:
Find the opposite number of │-28│.
Answer: The opposite number of │-28│ is -28

Câu 3:
Find the value of A = │-3│ - 5 - │16│.
Answer: A = -18

Câu 2:
Find the value of A = │-10│ - 10 - 8 - 2.
Answer: A = -10

Câu 1:
Find the value of A = (-2016) - (1441 - 2016).
Answer: A = -1441

Câu 1:
If │a│ = 3  and x < 0 then x = -3

Câu 8:
Given a segment AB = 10cm. Let C be the point of segment AB such that AC - BC = 4cm. Find the length of segment AC.
Answer: AC = 7 cm

Câu 8:
Given that a < b < 0 and │a│ - │b│ = 10, evaluate a - b.
Answer: a - b = -10

Câu 8:
Given that a*b = (a + b) : 2.
Find x such that x*(x*4) = 7.
Answer: x = 8

Câu 1:
Given that M is the midpoint of the segment AB. Calculate the length of the segment AB if MB=5cm.
Answer: AB = 10 cm

Câu 7:
Given that │x - 1│ + │y + 5│ = 0, evaluate x - y.
Answer: x - y = 6

Câu 8:
How many integers x are there such that 1 < │x - 3│ < 100.
Answer: There are 196 integers.

Giải:

Câu 5:
How many integers x are there such that x3 = x?
Answer: There are 3 integers.

Bài thi số 2: Sắp xếp

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l10

Sắp xếp theo bảng bên dưới (từ trái qua phải, từ trên xuống dưới):

(57 - 725) - (605 - 53)(-95) + (-105)47 - 10738 + (-85)
-13 - 15 + 5-(12 + 21 - 23) - (23 - 21 + 10)-84 : 4 - 40 + 5025 + (-8) + (-25) + (-2)
-(21 - 32) - (-12 + 32)20 : 22 - 5-16 - 5 - (-22)(525 : 21 - 4) : 7
│-4│29 - [16 + 3 x (51 - 49)]│12│ - │-3│3 x │-3│ + │-7│
47 - (45 x 24 - 55 x 12) : 1418 - (-2)(38 - 42 + 14) - (25 - 27 - 15)-11 + 23 - (-21)
1125 : 15 - 35 : (11 + 24) - 40(15 + 37) + (52 - 37 - 17)102 - 60 : (75 : 3 - 3 x 5)(55 + 45 + 15) - (15 - 55 + 45)
295 - (31 - 22 x 5)2205 - [1200 - (42 - 2 x 3)3] : 40218 + 282512 x (2 - 128) - 128 x (-512)
2345 - 1000 : [19 - 2 x ( 21 - 18)2]

Bài thi số 3: Đi tìm kho báu

A piece of rectangular cloth 48m long and 42m wide, cut into smaller pieses of square shape, without wastage of material. How many squares of maximum size are possible? Answer: 56

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l84

Giải:

A train is travelling at an average speed of 96km/h. What is the total distance (km) the train travelled after 3 hours? Answer: 288

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l89

Giải:

Determine the units digits in the following addition: 12 + 22 + 32 + … 20162 + 20172. Answer: 5

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l92

Giải:

Find the minimum number of plastic cuboids with the dimension 9cm x 6cm x 7cm required to form a cube. Answer: 5292

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_110

Giải:

Find the units digit of 1! + 2! + 3! + … + 100!. Answer: 3

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l88

Giải:

Find the units digit of 52017 - 1? Answer: 4

Giải:

Find the units digit of 62018 - 5? Answer: 1

Giải:

Find the units digit of 2314 x 426 + 573 x 234. Answer: 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l87

Giải:

Find the units digit of the sum: 12017 + 22017 + 32017 + … 82017 + 92017? Answer: 5

Giải:

If n = 31, what is the value of 6 - n? Answer: -25

If z = 3, what is 5 x (z - 6)? Answer: -15

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l91

Lamp poles are installed along the roadside on very 8m. Marking are made on the roadside on very 12m. How many marking are made beside the lamp poles along a 240m long road? Answer: 11

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l94

Giải:

N is natural number greater than 1. When 1 is add to N, the result is a multiple of 2; when 2 is add to N, the result is a multiple of 3; when 3 is add to N, the result is a multiple of 4; when 4 is add to N, the result is a multiple of 5; when 5 is add to N, the result is a multiple of 6; when 6 is add to N, the result is a multiple of 7. Find the smallest value of N. Answer: 421

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l95

Giải:

Sophie caught twice as many fish as her dad. If her dad caught F fish, how many fish did Sophie catch? Answer: 2 x F

The sum of four natural numbers is 1111. Find the largest possible values of the highest common factor of these four numbers. Answer: 101

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_109

Giải:

Veronica can type 28 words per minute. At this rate, how many words can Veronica type in 5 minutes? Answer: 140 words

Giải:

What is the prime factorization of 45? Answer: 32 x 5

What is the units digit of: 1 + 9 + 92 + 93 + 94 + … + 92015 + 92016 + 92017? Answer: 0

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l90

What is the units digit of 22016 x 42017 x 62018? Answer: 4

Giải:

What is the units digit of 32017? Answer: 3

Giải:

What is the units digit of 72018? Answer: 9

Giải:

What is the units digit of the sum of the first 99 whole numbers? 0 + 1 + 2 + 3 + … + 97 + 98. Answer: 1

Giải:

What value for z makes this equation true? 8 x 37 = (8 x 30) + (8 x z). Answer: 7

Giải:

Which letter on the number line best identifies the location of - 6? Answer: P

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l85

Which of the following best describes the figure? Answer: Perpendicular lines

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l86

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Các bạn có thể xem và tải toàn bộ Đề thi và đáp án vòng 9 (vòng tỉnh) Toán tiếng Anh (Math ViOlympic) lớp 6 năm học 2016 - 2017 tại đây.

Bài thi số 1: 12 con giáp

A man saves 20% of his income. If his income is decreased by 5%, his saving will be decreased by $12. Find his income? Answer: 1200

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l89

Giải:

Find the value of 2 - 4 + 6 – 8 + 10 - 12 + 14 - … - 48 + 50. Answer: 26

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l91

Giải:

How many positive integer values of n are there such that the expression 36 : (n +2)  is an integer? Answer: 7

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l95

Giải:

How many three - digit whole numbers are there such that the sum of the digits equals 25? Answer: 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l87

Giải:

How many triangles are there in the figure? Answer: 20

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l93

Giải:

If: M + A + T = 19; I + C + E + S = 16 and H = 2. Where each letter represents a different digit then what is the value of: M + A + T + H + E + M + A + T + I + C + S. Answer: 56

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l92

Giải:

In the addition a, b and c stand for different digits. What is the value of a + b + c? Answer: 16

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l85

Giải:

The square ABCD consists of 4 congruent rectangles arranged around a central square. The perimeter of each rectangle is 40cm. What is the area of the square ABCD? Answer: 400

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l96

Giải:

What fraction of the square is shaded? Answer: 1/2

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l86

Giải:

What is the product of 3/2 x 4/3 x 5/4 x … x 2016/2015? Answer: 1008

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l90

Giải:

What is the units digit of 1919 + 9999? Answer: 8

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l94

Giải:

What the smallest sum of two 3 - digit numbers that can be obtained by placing each of the six digits 4, 5, 6, 7, 8, 9 in one of the six boxes in this addition problem? Answer: 1047

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l88

Giải:

Bài thi số 2: Web tự luận

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l93

Câu 1:
When an integer number n is divided by 10, the remainder is 8. What is the remainder when it is divided by 5?
Answer: The remainder is 3

Giải:

Câu 2:
Find x such that 1/2 + 1/3 + 1/x = 1.
Answer: x = 6

Câu 3:
Find integer x such that -3x > -17 and x > 4.
Answer: x = 5

Câu 4:
a is an odd number. When a2 is divided by 2 the remainder is 1

Câu 5:
If a + b = 6, a + c = 10 and b + c = 14 then the average of a, b and c is 5

Câu 6:
Two angles A and B are complementary. Given angles A - angles B = 300.
Calculate the measurement of angle B.
Answer: Angles B = 300

Giải:

Câu 7:
Find n such that 2n+3 = 164.
Answer: n = 13

Giải:

Câu 8:
Find the value of x + y - z if x + y = 3 and x + y + z = 7.
Answer: x + y - z = -1

Giải:

Câu 9:
Alex writes 10 consecutive natural numbers. The sum left is 490 when he erases one of them. Find the number is erased.
Answer: The number is erased is 55

Giải:

Câu 10:
Given that Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_107
Find a + b + c.
Answer: a + b + c = 6

Giải:

Bài thi số 3: Đừng để điểm rơi

A 4 - digit number has the form □92□ where the two symbols □ represent the same digit. If this 4 - digit number is a multiple of 3, how much larger is the largest possible value for □ than the smallest possible for □? Answer: 6

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_103

Giải:

Calculate: ( 3 + 6 + 9 + … + 54)/(4 + 8 + 12 + … + 72) = ...  Answer: 3/4

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l97

Giải:

If 3/2 x 4/3 x 5/4 x 6/5 x ... x a/b = 201 , find the sum of a + b. Answer: 8059

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_104

Giải:

If any 6 consecutive integers are multiplied together, what is the units digit of their product? Answer: 0

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_102

Giải:

If N = 48, what is the value of 3 - 1/2 x N? Answer: -21

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_101

Giải:

If the sum of two 2 - digit numbers ab and a and a 1 - digit number d is 30, and d > b > c > a. Find ab. Answer: 13

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_105

Giải:

John talked on the telephone to two friends. He talked to Mary for 1/4 hour and to Sherry for 1/3 hour. How much time did John spend on the telephone? Answer: 7/12 hour

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_100

Giải:

What is 3/8 written as a percent? Answer: 37.5%

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l98

Giải:

What is the largest odd number less than 1000 that has a remainder of 4 when it is divided by 5 and a remainder of 2 when it is divided by 3 Answer: 989

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_106

Giải:

Which of the following pairs of operations can be inserted into the pair of □ to make: 6□(6□6)=6 a true expression? Answer: ÷,÷

Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Math_l99

Giải:

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Đề và đáp án thi Toán tiếng Anh (Math ViOlympic) lớp 6 NH 2016 - 2017 Flags_1