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Writing Standard Form Numbers as Ordinary Numbers

In this worksheet, students write standard form numbers as ordinary numbers.

'Writing Standard Form Numbers as Ordinary Numbers ' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Interpret/Compare Standard Form Numbers

Difficulty level:  

Worksheet Overview

Using standard form is incredibly useful when we either need to use very large or very small numbers.

Other areas we may use standard form includes science. From measuring the distance between stars or the mass of atoms.


1000 = 103

100 = 102

10 = 101

1= 100

0.1 = 10-1

0.01 = 10-2

0.001 = 10-3



5.1 × 102 as an ordinary number is

5.1 × 100 = 510


3.214 × 10 -4 as an ordinary number is

3.214 x 0.0001 = 3.214 ÷ 1000 = 0.003214



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