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Multiply by 0.1 and 0.01

In this worksheet, students will practise multiplying by 0.1 and 0.01.

'Multiply by 0.1 and 0.01' worksheet

Key stage:  KS 3

Year:  Year 8 Maths worksheets

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:  

Worksheet Overview

In this activity, we will multiply numbers by 0.1 and 0.01.


When you multiply by 0.1, you are simply dividing by 10.


When you multiply by 0.01, you are simply dividing by 100.



15.1 × 0.1 = 15.1 ÷ 10 = 1.51

0.123 × 0.01 = 0.123 ÷ 100 = 0.00123


When multiplying with decimal numbers, we need to count how many decimal places we have in our calculation and make sure that we have the same number in our answer!


In the first example above, we have two decimal places in the calculation: 15.1 x 0.1, so our answer must have two decimal places: 1.51

In the second example, we have five decimal places in the calculation: 0.123 x 0.01, so our answer must have five decimal places: 0.00123


If you remember this rule about decimal places, you'll find multiplying decimals becomes really simple.


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