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Find the Cube and Cube Roots of Numbers

In this worksheet, students will practise cubing numbers and working with cube roots.

'Find the Cube and Cube Roots of Numbers ' worksheet

Key stage:  KS 3

Year:  Year 8 Maths worksheets

Curriculum topic:   Number

Curriculum subtopic:   Understand Integer Powers/Real Roots

Popular topics:   Numbers worksheets

Difficulty level:  

Worksheet Overview

In this activity, 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


We can use a calculator to work out tricky cubes and cube roots, but it is important to know by heart all the cube and cube roots of numbers up to 10.


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