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1.

How many elements are there in the following set?

A = { a, b, c, d }

a)

2

b)

4

c)

5

d)

8

2.

Which of the following numbers is less than $2^2$ ?

a)

3

b)

6

c)

8

d)

9

3.

Find the place (hàng) of digit (chữ số) 9 in number 9 842 531.

a)

9

b)

9 000 000

c)

Millions

d)

Million

4.

Find x such that $5^x=25$

a)

1

b)

2

c)

3

d)

4

5.

Given that $\overline{1245x}$ is divisible by 10. What is the last digit?

a)

1

b)

2

c)

0

d)

5

6.

What is the base of $5^4$ ?

a)

4

b)

5

c)

45

d)

54

7.

Which of the following is divisible by 6?

a)

17

b)

18

c)

19

d)

20

8.

Write number “two thousand four hundred fifty-six” in standard form.

a)

2 456

b)

546

c)

1 456

d)

2 564

9.

Look at the figure and fill in the blank.

“Line p is ____________ to line q.”

a)

coincident

b)

parallel

c)

collinear

d)

perpendicular

10.

What shape is it?

a)

line

b)

rays

c)

point

d)

line segment

11.

Calculate: $2\times2^2-2^2\times2$

a)

0

b)

1

c)

2

d)

3

12.

Fill in the blank: “988 is a/an ____________”

a)

ratio

b)

odd number

c)

even number

d)

fraction

13.

Which of the following numbers is divisible by 4?

a)

99

b)

715

c)

166

d)

124

14.

Fill in the blank: " $3^2\times4^3=$ ................"

a)

576

b)

12

c)

144

d)

288

15.

Find the value of digit a such that $\overline{283a20}$ is divisible by 2, 3, 5, and 9.

a)

0

b)

6

c)

3

d)

9

16.

Find the place value of digit 5 in number 42 531 012.

a)

5000

b)

50 000

c)

500 000

d)

500

17.

What is the exponent of $199^2$ ?

a)

398

b)

39601

c)

199

d)

2

18.

Find the value of $\left(x+15\right)\times6-5$ when $x=10$

a)

135

b)

25

c)

145

d)

35

19.

Which of the following is divisible by 10?

a)

178

b)

185

c)

555

d)

2220

20.

Find the largest natural number a, such that 100 and 50 are both divisible by a.

a)

50

b)

25

c)

10

d)

100

Revision

Total questions: 20

Worksheet time: 15mins

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