Unit 20 Section 1 : Arithmetic Revision
This unit revises the work on addition, subtraction, multiplication and division of whole numbers and decimals,
so that later sections can continue with work on fractions.
Start by looking through the example questions below. After each set of examples, you will find questions for you to try.
Do the questions without a calculator, then click on the button marked
to see whether you are correct.
Example 1 : Addition & Subtraction
Practice Questions
What is 31 + 5.4 + 2.46?


What is 5.67  3.2?


Example 2 : Multiplication
Practice Question
What is 23 × 4.3? 

Example 3 : Division
Practice Question
What is 8.19 ÷ 7? 

Exercises
Work out the answers to the questions below and fill in the boxes. Click on the
button to find out whether you have answered correctly. If you are right
then will appear and you should move on to the next
question. If appears then your answer is wrong. Click
on to clear your original answer and have another go.
If you can't work out the right answer then click on
to see
the answer.
Do not use a calculator for any of these questions.
You have now completed Unit 20 Section 1
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Produced by A.J. Reynolds January 2001