Free Printable YEAR 8 TEST 2

1.

A prime number is ..............................................................

a)

a number that has only one factor.

b)

a number that has at least two factors.

c)

a number that has more than two factors.

d)

a number that has only two factors.
(1 and itself)

2.

Find the value of $2^0-3^0$ .

a)

$2$

b)

$1$

c)

$0$

d)

$-1$

3.

Which of the following numbers is a factor of 21?

a)

4

b)

9

c)

6

d)

3

4.

Find the Greatest Common Factor (GCF) of 12, 18 and 30.

a)

1

b)

3

c)

6

d)

12

5.

Find the LCM of 16 and 24.

(a)

6.

Evaluate $20\times2-(10-4)$

(a)

7.

Evaluate $-8+(15-3)\div4$ .

a)

-5

b)

1

c)

-11

d)

11

8.

Simplify $\left(y^7\right)^2$

a)

y¹⁴

b)

y⁴⁹

c)

y⁵

d)

y⁹

9.

Work out : $9\times6\div3$

(a)

10.

Evaluate $3\times2^2+24\div8$

(a)

11.

Simplify $2^8\div2^2$

a)

$2^6$

b)

$2^4$

c)

$2^{10}$

d)

$2^{16}$

12.

Simplify $3u^3\times6u^8$ .

a)

$18u^{11}$

b)

$18u^{24}$

c)

$9u^{11}$

d)

$18u^{48}$

13.

Write 12 x 12 x 12 x 12 x 12 x 12 x 12 in index form

a)

12⁶

b)

12⁷

c)

12⁸

d)

12⁵

14.

Simplify $42m^{12}\div7m^6$

a)

6m⁶

b)

6m²

c)

35m⁶

d)

35m²

15.

Work out $16-8\div8\ +3\ \times4$

(a)

16.

Simplify $\frac{x^4}{x}$

a)

$x^5$

b)

$x^3$

c)

$x^{-4}$

d)

$x^4$

17.

What is the value of $\left(-2\right)^4$ ?

a)

$2$

b)

$8$

c)

$-8$

d)

$16$

18.

Simplify $b^3\times b^4\div b^2$

a)

b⁷

b)

b⁵

c)

b⁶

d)

b⁹

19.

What is the HCF of 16 and 24?

a)

4

b)

2

c)

48

d)

8

20.

Write 2 x 2 x 2 x 2 x 2 in index form.

a)

$2^4$

b)

$2^2$

c)

$2^5$

d)

$16$

21.

Evaluate $\left(\frac{2}{3}\right)^3$ .

a)

$\frac{9}{18}$

b)

$\frac{6}{9}$

c)

$\frac{8}{27}$

d)

$\frac{6}{27}$

22.

Simplify $\left(x^7\right)^5\div x^{10}$ .

a)

x²⁵

b)

x²

c)

x^-2

d)

x^-3

YEAR 8 TEST 2

Total questions: 22

Worksheet time: 29mins

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