đề thi violympic toán tiếng anh lớp 4 vòng 8 năm 2015 2016

Exam number 3: Vượt chướng ngại vật.. Question 1: The area of this parallelogram is ...cm 2.[r]

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 How many 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 pencil each 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 is 9kg 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

is

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

is …

Exam number 2: Tìm cặp bằng nhau

Exam number 3: Vượt chướng ngại vật

Question 1: The area of this parallelogram is cm2

Question 2: What is this fraction in the simplest terms?

27/36 =

Question 2: What is this fraction in the simplest terms?

27/36 =

Question 3: Which of the following lists the fractions 1/9; 2/7; 4/16; 2/9; and 1/8 in order from the least to greatest?

a 1/9 < 2/9 < 1/8 < 4/16 < 2/7

b 1/9 < 2/9 < 1/8 < 2/7 < 4/16

c 1/9 < 1/8 < 2/9 < 4/16 < 2/7

d 1/9 < 1/8 < 2/9 < 2/7 < 4/16

Question 4: Peter is taller than Edward but shorter than Jacob Charlie is taller than John but shorter than Peter Who is the tallest?

Edward

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?

Đáp án

Exam number 1: Đỉnh núi trí tuệ

Question 1: 5

Question 2: 0

Question 3: 40

Question 4: 20

Question 5: 240

Question 6: 4

Question 7: 80

Question 8: 95

Question 9: 12

Question 10: 24750

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

Question 1: c

Question 2: c

Question 3: c

Question 4: a

Question 5: d