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  1. Maths
  2. Year 9
  3. Special Numbers (powers, roots, standard form)
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Multiply Indices

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

'Multiply Indices' worksheet

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.

 

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

 

Let's test this out in some questions now.

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