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 of 1?

Back

1² = 1

Front

What is the square of 3?

Back

3² = 9

Front

What is the square root of 4?

Back

√4 = 2

Front

Which of these numbers is a perfect square: 12, 90, 40, 64?

Back

64 is a perfect square because it is 8².

Front

What is the square of 10?

Back

10² = 100

Front

What is the square root of 9?

Back

√9 = 3

Front

What is the square of 5?

Back

5² = 25

Front

What is the square root of 16?

Back

√16 = 4

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25