Free Printable squares & cubes. & square roots / cube roots.

1.

Which is the best approximation for

\sqrt{52}

?

a)

6.5

b)

7.2

c)

7.8

d)

8.2

2.

Which is the best approximation for

-\sqrt{24}

?

a)

-5.1

b)

-4.8

c)

-4.5

d)

4.5

e)

4.8

3.

Which is the best approximation for

\sqrt{172}

?

a)

14.1

b)

12.5

c)

13.5

d)

13.1

e)

12.9

4.

Select all true statements.

a)

$\pm\sqrt{81}=\ 9\ \&\ -9\$

b)

$-\sqrt{81}=-9$

c)

$\sqrt{-81}=-9$

d)

$\sqrt[3]{-8}=-2$

e)

$\sqrt[3]{8}=-2\ \&\ 2\$

5.

$5\sqrt{49}+\sqrt{25}$

Evaluate.

(a)

6.

$\sqrt[3]{1}$

a)

1

b)

1 and -1

c)

3

d)

-1

e)

not possible >:-(

7.

$\sqrt[3]{-1}$

a)

1

b)

1 and -1

c)

3

d)

-1

e)

not possible >:-(

8.

$13^2$

Evaluate

(a)

9.

$4^2$

Evaluate

(a)

10.

$4^3$

Evaluate

(a)

11.

Evaluate $\sqrt[3]{125}$

(a)

12.

Evaluate $\sqrt[3]{8000}$

a)

2

b)

20

c)

200

d)

24

13.

Which statement is true?

a)

$\sqrt[3]{-1}\ge\sqrt{1}\$

b)

$\sqrt[3]{125}<\sqrt{25}$

c)

$\sqrt{25}<\ \sqrt[3]{27}$

d)

$\sqrt{16\ }>\sqrt[3]{27}$

14.

$\left(\sqrt{100}\right)^2$

Evaluate

(a)

15.

$\left(\sqrt{25}\right)^3$

Evaluate

(a)

squares & cubes. & square roots / cube roots.

Total questions: 15

Worksheet time: 45mins

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