Estimating Non Perfect 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, the square root of 16 is 4, because 4 x 4 = 16.

Front

What is the square root of 196?

Back

The square root of 196 is 14, since 14 x 14 = 196.

Front

Estimate the square root of 150. Is it closer to 12 or 13?

Back

The square root of 150 is approximately 12.25, so it is closer to 12.

Front

What is the square root of 176?

Back

The square root of 176 is approximately 13.27.

Front

Estimate the square root of 14. Is it closer to 3 or 4?

Back

The square root of 14 is approximately 3.74, so it is closer to 4.

Front

What is the square root of 4?

Back

The square root of 4 is 2, since 2 x 2 = 4.

Front

Estimate the square root of 64. Is it closer to 7 or 8?

Back

The square root of 64 is 8, since 8 x 8 = 64.

Front

What is the square root of 12?

Back

The square root of 12 is approximately 3.46.

Front

Estimate the square root of 20. Is it closer to 4 or 5?

Back

The square root of 20 is approximately 4.47, so it is closer to 4.

Front

What is the square root of 40?

Back

The square root of 40 is approximately 6.32.