Front

What is a perfect square?

Back

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

Front

Calculate 4².

Back

16

Front

Calculate 12².

Back

144

Front

Calculate 2².

Back

4

Front

Calculate 1².

Back

1

Front

Calculate 7².

Back

49

Front

What is the square of 0?

Back

0² = 0, which is also a perfect square.

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.

Front

What is the relationship between perfect squares and square roots?

Back

The square root of a perfect square is an integer. For example, √16 = 4.