Help your students prepare for their Maths GCSE with this free direct and inverse proportion worksheet of 30+ questions and answers
Suitable for GCSE maths revision for AQA, OCR and Edexcel exam boards
Direct and inverse proportion are relationships between variables. In direct proportion, as one variable increases, the other variable increases at a linked rate, one variable is a multiple of the other. The constant of proportionality tells us how many times bigger one variable is than the other. Examples of directly proportional relationships include the amount someone is paid given the number of hours they work and the area of a circle given the square of its radius.
In inverse proportion, as one variable increases, the other decreases. Examples of this include the amount of time taken on a journey given the speed travelled or the amount of time taken to do a job given the number of people working on it.
Direct and inverse proportion is covered in both foundation and higher GCSE maths and in higher we look at an algebraic way to determine the constant of proportionality and solve proportion problems.
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