Perfect Squares & Square Roots

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer multiplied by itself.

Front

What is the square root of 25?

Back

5

Front

Is 36 a perfect square?

Back

Yes, because 6 x 6 = 36.

Front

Estimate the square root of 50.

Back

Approximately 7.

Front

What is the square root of 64?

Back

8

Front

Is 49 a perfect square?

Back

Yes, because 7 x 7 = 49.

Front

What is the square root of 81?

Back

9

Front

Is 100 a perfect square?

Back

Yes, because 10 x 10 = 100.

Front

What is the square root of 144?

Back

12

Front

Is 20 a perfect square?

Back

No, it cannot be expressed as an integer multiplied by itself.