Estimating Square Roots on a Number Line

Front

What is the square root of a number?

Back

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

Front

Estimate the square root of 9.

Back

3

Front

Estimate the square root of 16.

Back

4

Front

What two integers does √20 fall between?

Back

4 and 5

Front

What two integers does √50 fall between?

Back

7 and 8

Front

Estimate the square root of 36.

Back

6

Front

What is the approximate value of √30?

Back

About 5.5

Front

Estimate the square root of 81.

Back

9

Front

What two integers does √45 fall between?

Back

6 and 7

Front

Estimate the square root of 100.

Back

10