Estimating Square Roots

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

What is the square root of 144?

Back

12

Front

How do you estimate the square root of a number?

Back

To estimate the square root, find two perfect squares between which the number lies and then approximate.

Front

What is the square root of 25?

Back

5

Front

What is the approximate value of √50?

Back

7.1

Front

Which two integers is √30 between?

Back

5 and 6

Front

What is the square root of 64?

Back

8

Front

How do you round √20 to the nearest hundredth?

Back

Approximately 4.47.

Front

Which number has a square root between 6 and 7?

Back

49.

Front

What is the approximate value of √10?

Back

3.16