Perfect Squares & Square Roots

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

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. For example, the square root of 16 is 4, because 4 x 4 = 16.

Front

What is the square of 5?

Back

The square of 5 is 25, since 5 x 5 = 25.

Front

What is the square root of 49?

Back

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

Front

Which numbers are perfect squares between 1 and 100?

Back

The perfect squares between 1 and 100 are 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100.

Front

What is the square of 11?

Back

The square of 11 is 121, since 11 x 11 = 121.

Front

Is 110 a perfect square?

Back

No, 110 is not a perfect square because there is no integer that, when squared, equals 110.

Front

What is the square root of 100?

Back

The square root of 100 is 10, because 10 x 10 = 100.

Front

What is the relationship between perfect squares and their square roots?

Back

The square root of a perfect square is always an integer. For example, the square root of 36 is 6, which is an integer.

Front

What is the square of 7?

Back

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