Calculations
 

• Addition and Subtraction 

• Multiplication and Division 

• Negative numbers 

• BIDMAS

• Powers and roots 

• Using a calculator 

• Best buys

• Calculation problem solving 

• Time

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Percentages
 

• Percentages of amounts

• Percentage change 

• Reverse percentages 

• Compound interest and depreciation

• Repeated percentage change 

Factors and Multiples
 

• Prime factor decomposition 

• HCF and LCM
   

Fractions
 

• Writing, simplifying and ordering fractions 

• Adding, subtracting, multiplying and dividing fractions 

• Fractions of an amount 

• Converting fractions, decimals and percentages 

Conversions
 

• Units and conversions 

• Exchange rates 

Approximations
 

• Rounding and truncating 

• Estimating  

• Error intervals 

• Bounds 

Decimals
 

• Place value 

• Multiplying and dividing decimals 

• Recurring decimals

Ratio and Proportion 
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• Writing and simplifying ratios 

• Combining ratios 

• Ratio problem solving

• Proportion with ingredients 

• Direct and Inverse proportion 

• Writing ratios as fractions 

• Sharing with ratios 

Standard form, indices & surds

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• Laws of indices 

• Fractional and negative indices 

• Standard form

• Simplifying surds 

• Rationalising surds