estimate 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 9 is 3, because 3 x 3 = 9.

Front

How do you estimate the square root of a number?

Back

Front

What is the square root of 40 approximately?

Back

The square root of 40 is approximately between 6 and 7, since 6x6=36 and 7x7=49.

Front

What is the closest integer to the square root of 20?

Back

Front

Estimate the square root of 80. Between which two whole numbers does it fall?

Back

The square root of 80 falls between 8 and 9, since 8x8=64 and 9x9=81.

Front

What is the square root of 64?

Back

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

Front

How can you check if a number is a perfect square?

Back

Front

What is the square root of 49?

Back

The square root of 49 is 7, since 7 x 7 = 49.

Front

Back

Front

What is the square root of 36?

Back

The square root of 36 is 6, because 6 x 6 = 36.