Understand that a multiplicative relationship between 2 quantities can be expressed as a ratio or a fraction

Relate the language of ratios and the associated calculations to the arithmetic of fractions and to linear functions

Solve problems involving percentage change, including: percentage increase, decrease and original value problems and simple interest in financial mathematics

Solve problems involving direct and inverse proportion, including graphical and algebraic representations

Use compound units such as speed, unit pricing and density to solve problems

The National Curriculum KS3 requirements are shown below in blue text. Underneath each of these requirements work helping to address ideas involved can be viewed by clicking on the bold underlined titles.