Divide Indices

In this worksheet, students will divide numbers expressed using indices.

Key stage: KS 3

Year: Year 9 Maths worksheets

Curriculum topic: Number

Curriculum subtopic: Understand Integer Powers/Real Roots

Difficulty level:

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Worksheet Overview

An index is sometimes called a power or an exponent.

In 5⁴, the 4 is the index and the 5 is the base.

5⁴ is read as '5 to the power 4' and means 5 x 5 x 5 x 5.

Dividing numbers

When we divide numbers with the same base number, we can just subtract the indices.

5⁷ ÷ 5³ = 5⁴

This is because, when we divide, we can cancel a 5 on the top with a 5 on the bottom, leaving four 5s on the top.

Does that make sense?

Let's test it out in the questions.

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Preview activity

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