Square Roots/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. For example, √9 = 3 because 3 x 3 = 9.

Front

Estimate √7.

Back

The best estimate for √7 is 2.7.

Front

What is the square root of 16?

Back

The square root of 16 is 4.

Front

What is the square root of 100?

Back

The square root of 100 is 10.

Front

Estimate √50.

Back

√50 is between 7 and 8, closer to 7.

Front

What is the square root of 25?

Back

The square root of 25 is 5.

Front

Estimate √20.

Back

√20 is between 4 and 5, closer to 4.

Front

What is the square root of 36?

Back

The square root of 36 is 6.

Front

Estimate √30.

Back

√30 is between 5 and 6, closer to 6.

Front

What is the square root of 49?

Back

The square root of 49 is 7.