Estimate Value of Square Roots and Cubed Roots

Level 4: Estimate the square root to the nearest tenth.

• 3.2

• 3.1

• 3.4

• 3.0

Find the square root.
√36

• 6

• -6

• 18

• -18

What is the cube root of 216?

• 6

• 8

• 21

• 7

In between what two integers is √44?

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

Find the best estimate for √18 .
Look at the number line.

• 4.2

• 4.4

• 5.1

• 4

Between which two whole numbers is the 
√20 ?

• 5 and 6

• 10 and 2

• 4 and 5

• 3 and 4

Find the approximate value of √30 to the tenths place.

• 4.8

• 5.5

• 6.5

• 7.2

What is an approximation for the square root of 175?

• 13.2

• 12.5

• 13.5

• 13.9

• 8,9

• 9,10

• 10,11

• 9,11

• 16,18

• 15,16

• 16,17

• 17,18