Squares & Square Roots

Front

What is a square number?

Back

A square number is an integer that is the square of an integer. For example, 1, 4, 9, 16, and 25 are square numbers because they can be expressed as 1², 2², 3², 4², and 5² respectively.

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 25 is 5 because 5 × 5 = 25.

Front

What is the symbol for square root?

Back

The symbol for square root is √.

Front

What is 5 squared?

Back

5² = 25.

Front

What is the square root of 64?

Back

√64 = 8.

Front

Which numbers are perfect squares?

Back

Perfect squares are numbers that can be expressed as the square of an integer, such as 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100.

Front

What is the square of 12?

Back

12² = 144.

Front

What is the relationship between squares and square roots?

Back

The square root of a square number returns the original number. For example, √(9) = 3 because 3² = 9.

Front

What is the square root of 1?

Back

√1 = 1.

Front

What is the square of 0?

Back

0² = 0.