Perfect Squares and 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 9 is 3 because 3 x 3 = 9.

Front

Calculate 1².

Back

1

Front

Calculate √64.

Back

8

Front

Calculate 3².

Back

9

Front

Calculate 13².

Back

169

Front

Calculate 8².

Back

64

Front

What is the square of 0?

Back

0² = 0.

Front

What is the square of a negative number?

Back

The square of a negative number is always positive. For example, (-3)² = 9.

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25.