lop 4 bo de thi violympic toan tieng anh tat ca cac vong co dap an

VnDoc - Tải tài liệu, văn bản pháp luật, biểu mẫu miễn phíExam number 3: Vượt chướng ngại vật Question 1: The area of this parallelogram is ...cm2.. VnDoc - Tải tài liệu, văn bản pháp lu

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Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 8 năm 2015 - 2016

Exam number 1: Đỉnh núi trí tuệ

Question 1: If x/7 = 45/63 then x =

Question 2: An even number M is divisble by 5 if the last digit of M is

Question 3: Find the area of the parallelogram below:

Question 4: Calculate: 6520 : 326 =

Question 5: Katie has 300 cakes She gives 12 of them to each of five her friends Howmany cakes are left over

Question 6: Find the value of b such that the number 73b4 is divisible by 9?

Question 7: The sum of two numbers is 124 and their difference is 36 What is the value

of the larger number?

Question 8: One pack of pencils has fifteen pencils Four other packs have twenty pencileach What is the total pencils in these five packs?

Question 9: The weight of green box is four times the weight of red box Green box is9kg heavier than red box The weight of green box is kg

Question 10: The sum of all natural numbers that are smaller than 500 and divisible by 5

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Exam number 3: Vượt chướng ngại vật

Question 1: The area of this parallelogram is cm2

Question 5: The total weight of 3 apples is equal to that of 4 bananas, and the total weight

of 5 bananas is equal to that of 6 oranges How many apples have the same total weight

as 24 oranges?

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Các số tự nhiên nhỏ hơn 500 chia hết cho 5 là: 0; 5; 10; 15; ; 495

Số các số tự nhiên nhỏ hơn 500 chia hết cho 5 là: (495 - 0) : 5 + 1 = 100 (số)

Tổng của chúng là: (495 + 0) x 100 : 2 = 24750

Exam number 2: Tìm cặp bằng nhau

(1) = (9); (2) = (15); (3) = (10); (4) = (12); (5) = (17); (6) = (13); (7) = (14); (8) = (11);(16) = (18); (19) = (20)

Exam number 3: Vượt chướng ngại vật

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Exam number 1: Fill in the blank with the suitable number

Question 1: Mary reads four books every month She is busy and reads only one book onMarch On September, she takes a break and does not read any books What is thenumber of books that Anna reads in one year?

Question 2: Four boxes of chocolate candies are equivalent to eight hundred candies Thenumber of candies is the same for all boxes How many candies are in each box?

Question 3: If y is a natural number and y/9 < 7/12 then the greatest value of y is Question 4: 5/4 of 2 kg is g

Question 10: If 324/483 = 108/x then the value of x is

Exam number 2: Help the Miners to go through the maze by answering questions to reach the destination (Đi tìm kho báu)

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She paid $80 and had $5 left How many products on type 1 did she buy?

a Anna's car weighs 25/6 tons more than Sara's car

b Sara's car weighs 25/6 tons more than Anna's car

c Anna's car weighs 23/6 tons more than Sara's car

d Sara's car weighs 23/6 tons more than Anna's car

Question 5: The sum of odd numbers from 823 to 2015 is

a 26 apples b 37 apples c 49 apples d 51 apples

Question 9: How many natural numbers between 1000 and 4000 are there for which thethousands digit equals the sum of the other three digits?

Question 10: Let M = 91011121314 (M is written by consecutive natural numbers)

If M has 175 digits then when M divided by 5, the remaider is

Đáp án

Exam number 1: Fill in the blank with the suitable number

Question 1: 41

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Mary đọc 4 cuốn sách mỗi tháng Cô ấy rất bận và chỉ đọc một cuốn vào tháng Ba Vàotháng 9, cô ấy nghỉ ngơi và không đọc bất kỳ cuốn sách nào Hỏi số sách mà Anna đã đọctrong một năm là bao nhiêu?

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Exam number 1: Fill in the blank with the suitable number

Question 1: The expression 4 x 1000 + 5 x 100 + 4 x 1 is equal to

Question 2: What number should be placed in the box to make ?

Question 3: What is the remainder when 65870 is divided by 8?

Question 4: Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills doesshe have?

Question 5: A large box of candies and a small box of candies together cost 13 dollars Ifthe large box costs 5 dollars more than the small box, what is the price of the small box ofcandies?

Question 6: Six students had an orange eating contest The graph shows the number oforanges eaten by each student Mary ate the fewest oranges and Jack ate the greatest.How many more oranges did Jack eat than Mary?

Question 7: The numbers from 1 to 1000 are written How many of these numbers have atleast two digits 5?

Question 8: Five students do an exam with a maximum score of 50 The scores of four ofthe students are 41, 44, 46 and 49 The average of five students’ scores is the same as thescore of the fifth student The score of the fifth student is

Question 9: Five years ago, Sarah was 7 years old Two years later, she will be years old

Question 10: A fraction is equal to 2/5 The sum of its denominator and its numerator is

91 What is the difference between the denominator and numerator of this fraction?

Exam number 2: Đi tìm kho báu

Question 1: Nick has 3/5 of a dollar and Emma has 3/10 of a dollar Together theyhave …………

Question 2: The value of 1/12 : 1/8 = …………

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Question 3: The symbol is evaluated as 4 x 7 – 3 x 6 = 10

If then the number that should be replaced in the question mark is ………Question 4: The are of a rectangular garden is 36m2 Its has a length of 9m Its perimeter,

in metres, is ………

Question 5: Last year, Bob’s age is divided by 7 This year, his age is divisible by 5 Inhow many years will Bob be 27 years old?

Exam number 3: Cóc vàng tài ba

Question 1: The value of 40 + 60000 + 500 + 30 is …………

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Question 9: The average of five different natural numbers is 4 If the different betweenthe largest and smallest of these numbers is as large as possible, what is the average of theother three numbers?

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Exam number 1: Fill in the blank with the suitable sign (>, <, =)

Question 1: 4567/6789 3456/5678

Fill in the blank with the suitable number:

Question 2: Professor Ngo Bao Chau was born in 1972 He was born in the thcentury

Question 3: 1818/2727 of 2376 is

Question 4: Find x such that: x + 17 x 12 = 216

Question 5: Three oranges are weighted in pairs and these weights are 400; 412; and 424gram What is the weight of the lightest orange?

Answer: The weight of the lightest orange is gram

Question 6: The area of a rectangle increased by 57cm2when each side increases by 3cm.The perimeter of the origial rectangle is cm

Question 7: How many 4 - digit numbers can you make by using only 0 and 1?

Answer: There are numbers

Question 8: Some men meet at a conference Each man shakes hands with each otherexactly once If there are 4950 handshakes in total then the number of men is Question 9: In the equation: N x U x (M + B + E + R) = 33, six letters are 6 distinct digitsfrom 0 to 9 What is the greatest possible value of the number NUMBER?

Question 10: The sum of the digits of all 2-digit numbers is

Exam number 2: Choose the most suitable answer in 4 available answers (Cóc vàng tài ba)

Question 1: Which of the following numbers can represent the question mark?

Question 2: Which of the following numbers is divisible by 6?

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Question 3: Which of the following is the number 2,003,047?

a Two million, three thousand, fourty seven

b Two million, thirty thousand, four seven

c Two million, three thousand, four seven

d Two million, thirty thousand, fourty seven

Question 4: Find the value of

Question 6: Find the value of B = 2016 x 20152015 - 2015 x 20162015

Answer: The value of B is

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Answer: x is

Exam number 3: Vượt chướng ngại vật

Question 1: Fill in the blank with the correct number

35km + 700cm = m

Question 2: 765 - = 123 x 2 + 276

The correct number filled in the blank is

Question 3: How many triangles in the following figure?

Answer: There are triangles

Question 4: Find the value of digit x if 2006 < 20x5 < 2041 and 20x5 is divisible by 3?Answer: The value of x is

Question 5: Find the greatest natural number m such that:

23

215

817

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Question 1: How many days are there in September?

Question 2: Find x such that x : 5 = 1537

Question 3: Mary learns fifteen new words per day How many new words does she learnfor seven days?

Question 4: The area of the following rectangle is cm2

Question 5: The perimeter of the following square is cm

Question 6: Calculate: (12639 + 21034) x 2 =

Question 7: Bella goes to the zoo She makes a table of the number of animals at the zoo.(see the table below)

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How many monkeys and birds are there?

Question 8: Calculate: 9876 : 6 x 6 =

Question 9: How many right angles are there?

Question 10: There are 48 strawberries in 6 bags How many strawberries are there in 9bags?

Exam number 2: Choose the most suitable answer in 4 available answers

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A Wednesday B Tuesday C Friday D Saturday

Question 8: Two numbers have the product of 9315 If the product is five times as same

as the greater number The smaller number is

ĐÁP ÁN

Question 1: 30 Question 2: 7685 Question 3: 105 Question 4: 135Question 5: 492 Question 6: 67346 Question 7: 539

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Question 8: 9876 Question 9: 5 Question 10: 72

Exam number 2: Choose the most suitable answer in 4 available answers

Question 1: C Question 2: A Question 3: D Question 4: A

Question 5: A Question 6: A Question 7: B Question 8: D

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The number's underlined digit is worth

Câu 3.3: Just before of 300000 is

Câu 3.4: The value of expression: 3148 + 2672 : 4 is

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2000 = 9000 - (4000 - 2000); 9000 - 3000 = 4000 + 2000; 9000 + 40 + 3 = 9043; 9000 +

400 + 3 = 9403

Bài 2: Đỉnh núi trí tuệ Let reach the intellectual peak by answering the questions

Câu 2.1: C Câu 2.2: C Câu 2.3: B Câu 2.4: A

Câu 2.5: C Câu 2.6: B Câu 2.7: A

Câu 2.8: C Câu 2.9: C Câu 2.10: D

Bài 3: Vượt chướng ngại vật

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Bài 1: Fill in the blank with the suitable number

Question 1: How many hours are there in 4 days?

Question 2: Calculate: 672g – 276g = g

Question 3: How many years are in 3 century?

Question 4: There are days in May

Question 5: Emily write down how many kilometers she walked each day

How many kilometers did she walk on Sunday?

Question 6: 765 + … = 459 + 541

The missing number is

Question 7: Write forty-six thousand and fifty using digits

Bài 2: Cóc vàng tài ba: Choose the most suitable answer in 4 available answers

Question 1: 1/4 century = years The missing number is

Question 2: What time does the clock shown?

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Question 9: Today is September 2nd, four days ago is

A August 28th B August 30th C August 29th D August 27thQuestion 10:

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ĐÁP ÁN

Bài 1: Fill in the blank with the suitable number

Question 1: 96 Question 2: 396 Question 3: 300 Question 4: 31

Bài 2: Cóc vàng tài ba: Choose the most suitable answer in 4 available answers

Question 1: C Question 2: C Question 3: C Question 4: AQuestion 5: C Question 6: A Question 7: B

Question 8: A Question 9: C Question 10: D

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Đề thi Violympic Toán tiếng Anh lớp 4 vòng 4 năm 2015 - 2016

Exam number 1: Đi tìm kho báu

Question 1: 2 minutes 30 seconds = seconds

Question 2: Calculate: 3512 + 4231 =

Question 3: The value of 6132 + 1584 is

Question 4: Subtract: 7000 - 4325 =

Question 5: Find x such that x - 582 = 964

Exam number 2: Chọn các cặp giá trị bằng nhau

Question 1: If m = 16 and p = 75 then m + p =

Question 2: Write >; =; <: 3676 + 2015 2015 + 3676

Question 3: If a = 6 and b = 12 then 15 + a x b =

Question 4: There are 786 boy students and 572 girl students in a school How manystudents are there in the school?

Question 5: Think of a number that when you add 130 to it the answer will be 500

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ĐÁP ÁN

Exam number 1: Đi tìm kho báu

Question 4: 2675 Question 5: 1546

Exam number 2: Chọn các cặp giá trị bằng nhau

(1) = (8); (2) = (12); (3) = (14); (4) = (15); (5) = (7); (6) = (9); (10) = (19); (11) = (16);(13) = (20); (17) = (18)

Question 1: 91 Question 2: = Question 3: 87

Question 4: 1358 Question 5: 370

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Question 5: Find the value of m - n + p for m = 9253; n = 3149 and p = 2674

Question 6: Find the value of 2356 + a - b for a = 1482, b = 3105

Question 7: Find the value of m + n - p for m = 9253, n = 3149 and p = 2674

Question 8: Find y such that y - 12358 = 18031

Question 9: Find the value of b such thatb008a081920

Question 10: The perimeter of a rectangle is 58cm and its width is 13cm less than itslength Its width is cm

Exam number 2: Cóc vàng tài ba

Question 1: Choose the straight angle:

a

b

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Exam number 3: Sắp xếp theo thứ tự tăng dần

ĐÁP ÁN

Question 1: 64269 Question 2: 73003 Question 3: 16 Question 4: 27849Question 5: 8778 Question 6: 733 Question 7: 9728

Exam number 2: Cóc vàng tài ba

Question 1: d Question 2: b Question 3: c Question 4: a

Question 5: c Question 6: d Question 7: a

Question 8: d Question 9: b Question 10: b

Exam number 3: Sắp xếp theo thứ tự tăng dần

(12) < (1) < (15) < (13) < (18) < (5) < (3) < (10) < (2) < (9) < (14) < (6) < (19) < (17) <(20) < (16) < (4) < (8) < (7) < (11)

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