Square Roots 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 25 is 5.

Tags

CCSS.8.EE.A.2

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.

Tags

CCSS.8.EE.A.2

Front

What is the symbol for square root?

Back

The symbol for square root is √.

Tags

CCSS.8.EE.A.2

Front

What is the symbol for cube root?

Back

The symbol for cube root is ∛.

Tags

CCSS.8.EE.A.2

Front

What is the area of a square with a side length of 5 cm?

Back

The area is 25 square cm (A = side × side = 5 cm × 5 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

True or False: The inverse operation for squaring a number is finding the square root.

Back

True.

Tags

CCSS.8.EE.A.2

Front

True or False: The inverse operation for cubing a number is finding the cube root.

Back

True.

Tags

CCSS.8.EE.A.2

Front

What is the square of 4?

Back

The square of 4 is 16 (4 × 4 = 16).

Tags

CCSS.8.EE.A.2

Front

What is the cube of 3?

Back

The cube of 3 is 27 (3 × 3 × 3 = 27).

Tags

CCSS.8.EE.A.2

Front

If x² = 36, what is x?

Back

x = ±6.

Tags

CCSS.8.EE.A.2