Estimating Square Roots

The video tutorial explains how to estimate the square root of 22 by identifying nearby perfect squares, 16 and 25, and calculating the estimate based on the distance from these squares. The final estimate is 4.7, which is close to the actual value of 4.6.

What is the square root of 16?

• 3

• 4

• 5

• 6

Which two numbers is 22 positioned between when estimating its square root?

• 18 and 27

• 17 and 26

• 16 and 25

• 15 and 24

How much more is 22 than 16?

• 7

• 4

• 5

• 6

What percentage of the way from 16 to 25 is 22?

• 60%

• 80%

• 50%

• 70%

What is the estimated square root of 22?

• 4.8

• 4.6

• 4.5

• 4.7