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The 'Order of Operations' ensures that arithmetic and maths is done in the correct order:

1 Parentheses (brackets)

2 Exponents (Powers and Roots)

3 Multiplication and Division

4 Addition and Subtraction

Memory aid is 'PEMDAS'

Note: In the calculation below, the parentheses are done first, then the multiplication done last.

(8+2)×(9÷3)=30

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Q: How are addition multiplication division and subtraction different?
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