Squares & Square Roots, Cubes & Cube 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, 25 is a perfect square because it is equal to 5^2.

Front

What is the square root of 16?

Back

The square root of 16 is 4, since 4^2 = 16.

Front

What is the cube of 3?

Back

The cube of 3 is 27, since 3^3 = 3 × 3 × 3 = 27.

Front

What is the cube root of 64?

Back

The cube root of 64 is 4, since 4^3 = 64.

Front

True or False? The square of a negative number is always positive.

Back

True. For example, (-3)^2 = 9.

Front

If the area of a square is 36, what is the length of one side?

Back

The length of one side is 6, since the square root of 36 is 6.

Front

Back

Front

Back

Front

Back

True. Both equal 16.

Front

What is a cube?

Back

A cube is a three-dimensional shape with six equal square faces.