  # Cubing Numbers and Cube Roots

In this worksheet, students practise cubing numbers and working with cube roots. Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Understand Integer Powers/Real Roots

Difficulty level:   #### Worksheet Overview

In this worksheet, we will learn how to estimate cube numbers and cube roots.

To cube a number we multiply it by itself three times.

43 = 4 x 4 x 4 = 64

It can be illustrated as a cube made up of smaller cubelets - 4 long, 4 wide and 4 high.

There are 64 cubelets in this cube.

The cube root of a number is the inverse of a cube.

The cube root of 8 is 2, because 2 × 2 × 2 = 8.

We write 3√8 = 2

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