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Multiplying Indices

In this worksheet, children must multiply numbers expressed using indices.

'Multiplying Indices' worksheet

Key stage: KS 3

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" or "5 to the 4" and means 5 x 5 x 5 x 5.

Multiplying numbers

When we multiply numbers with the same base number, we can just add the indices.

5⁴ x 5³ = 5⁷

This is because 5 x 5 x 5 x 5 x 5 x 5 x 5 = 5⁷

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