Square and Cube Roots

Front

What is a square root?

Back

A 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 × 3 = 9.

Front

What is a cube root?

Back

A cube root of a number is a value that, when multiplied by itself three times, gives the original number. For example, the cube root of 27 is 3, because 3 × 3 × 3 = 27.

Front

True or false? 9² = 18

Back

False

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, 16 is a perfect square because it can be written as 4².

Front

What is a perfect cube?

Back

A perfect cube is a number that can be expressed as the cube of an integer. For example, 64 is a perfect cube because it can be written as 4³.

Front

Which number is both a perfect square and a perfect cube?

Back

64

Front

What is the square root of 49?

Back

7, because 7 × 7 = 49.

Front

What is the square root of 50?

Back

Approximately 7.07, since 50 is not a perfect square.

Front

Back

Front

What number, n, cubed is equal to 64?

Back

4, because 4³ = 64.