Square Roots/Estimating Square Roots

Front

What is the square root of 16?

Back

4

Front

Estimate the square root of 18 using a number line. What is the best estimate?

Back

4.2

Front

Which number has a square root that is between 5 and 6?

Back

28

Front

On a number line, which letter best estimates the square root of 156?

Back

d

Front

What is the best estimate for the square root of 13?

Back

3.6

Front

What is a square root?

Back

A square root of a number is a value that, when multiplied by itself, gives the original number.

Front

How do you estimate square roots using a number line?

Back

To estimate square roots using a number line, identify the two perfect squares between which the number lies and find a value that is closer to the number.

Front

What are perfect squares?

Back

Perfect squares are numbers that are the square of an integer, such as 1, 4, 9, 16, 25, etc.

Front

What is the square root of 25?

Back

5

Front

How can you determine if a number's square root is between two integers?

Back

To determine if a number's square root is between two integers, find the two perfect squares that the number lies between.