Đề thi Violympic Toán Tiếng anh lớp 5 vòng 8 – Năm học 2016-2017

Exam number 1: Đi tìm kho báu

Question 1:

There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?

a. 10

b. 12

c. 18

d. 20

Question 2:

What is the product of 3.05 and 2.8?

a. 8.54

b. 8.056

c. 8.56

d. 8.054

Question 3:

A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

a. $18

b. $20

c. $50

d. $13

Question 4:

If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?

a. $21.75

b. $26

c. $18.75

d. $17.25

Question 5:

If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.

a. 48

b. 50

c. 45

d. 54

Exam number 2: Tìm cặp bằng nhau

Answer:

(1) = ......; (2) = .....; (3) = ......; (5) = ......; (7) = ......; (8) = .......; (9) = ......; (11) = ......; (15) = ......; (16) = ......

Nhập số thứ tự của các ô vào chỗ chấm để được các cặp giá trị bằng nhau

Exam number 3: Fill in the blank with the suitable number

Question 1

The length of each edge of a cube is 3 cm. The surface area of the cube, in cm2, is .............

Question 2:

At the beginning of the summer, Bob was 140 cm tall. At the end of the summer, he measured his height again and discovered that it had increased by 5%. Measured in cm, what was his height at the end of summer?

Answer: .............. cm.

Question 3:

The number of centimetres in 7.05 metres is ............... 

Question 4:

Bella scores on six of her eight pictures. The percentage of pictures that she does not score on is .........%.

Question 5:

A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then ............% of marbles are green.

Question 6:

How many even numbers between 1 and 100 are divisible by 5?

Answer: There are .......... numbers.

Question 7:

Alice is going to the store. One third of the way to the store, she stops to talk with Kelly. She then continues for 6 km and reaches the store. How many kilometres does she travel?

Answer: ........... km.

Question 8:

How many three-digit numbers are exactly 19 more than a two-digit number?

Answer: ............. numbers.

Question 9:

In the 3×3 table shown, the numbers 2, 4 and 6 are placed so that each number occurs only once in each row and only once in each column. The value of M + N is ............

Question 10:

How many different 3-digit whole numbers can be formed using the digits 4, 5, 0 and 8, assuming that no digit can be repeated in a number?

Answer: There are ............ numbers.