# Year 7

- use equivalence of fractions, decimals and percentages to compare proportions
- recognise that some fractions are recurring decimals, e.g. 1/3 is 0.333
- calculate percentages of quantities using non-calculator methods where appropriate
- use ratio and proportion including map scales

# Year 8

- use equivalence of fractions, decimals and percentages to select the most appropriate for a calculation
- simplify a calculation by using fractions in their simplest terms
- calculate a percentage, fraction, decimal of any quantity with a calculator where appropriate
- calculate the outcome of a given percentage increase or decrease
- use ratio and proportion to calculate quantities

# Year 9

- use equivalence of fractions, decimals and percentages to select the most appropriate for a calculation
- use and interpret different representations of fractions, e.g. mixed numbers and improper fractions
- express one quantity as a percentage of another
- calculate a percentage increase or decrease
- use ratio and proportion to calculate quantities

# Extension

- use and understand the idea of reverse percentage to find an original quantity
- use multipliers as an efficient method when working with percentages, e.g. multiply by 1.2 to increase an amount by 20%
- use and understand ratio and proportion in 2 dimensions.