Free Printable Products of Square Roots Lesson 78C3

1.

$\sqrt{3}\cdot\sqrt{12}=\sqrt{3\ }\cdot\sqrt{3\cdot4}=$

a)

2

b)

4

c)

6

d)

8

2.

$\sqrt{2}\ \cdot\sqrt{14}=\ \sqrt{2}\cdot\sqrt{2\cdot7}=$

a)

$14$

b)

$2\sqrt{7}$

c)

$7\sqrt{2}$

3.

$\sqrt{15}\sqrt{3}=\sqrt{3\cdot5}\ \sqrt{3}=$

a)

$45$

b)

$5\sqrt{3}$

c)

$3\sqrt{5}$

4.

$3\sqrt{5}\sqrt{5}=$

a)

5

b)

10

c)

15

d)

$5\sqrt{3}$

5.

$5\sqrt{3\ }\ \cdot2\sqrt{3=}$

a)

$10\sqrt{9}$

b)

$30$

c)

$10\sqrt{3}$

6.

$\sqrt{8}\sqrt{6}=\sqrt{48}=$ mark all that are correct

a)

$\sqrt{16\cdot3}$

b)

$4\sqrt{3}$

c)

$4\sqrt{12}$

d)

$3\sqrt{18}$

7.

$\sqrt{21}\sqrt{3}=\sqrt{3\cdot7}\ \sqrt{3}=3\sqrt{7}$

a)

true

b)

false

8.

$\sqrt{6}\sqrt{12}\ =\sqrt{72}=\sqrt{36\cdot2}=2\sqrt{6}$

a)

true

b)

false

9.

$\sqrt{30}\sqrt{3}=\sqrt{3\cdot10}\sqrt{3}=$

a)

$3\sqrt{10}$

b)

$10\sqrt{3}$

c)

$6\sqrt{5}$

10.

$\sqrt{8}\sqrt{5}=\sqrt{40}=$

a)

$40$

b)

$5\sqrt{8}$

c)

$2\sqrt{10}$

11.

$\sqrt{40}\sqrt{10}=\sqrt{400}=$

a)

$4\sqrt{100}$

b)

$2\sqrt{200}$

c)

$20$

d)

$40$

12.

$\sqrt{3}\sqrt{24}=\sqrt{3}\sqrt{3\cdot8}=$

a)

$6\sqrt{2}$

b)

$3\sqrt{8}$

c)

$3\sqrt{24}$

Products of Square Roots Lesson 78C3

Total questions: 12

Worksheet time: 24mins

Similar Resources on Wayground