10 Word Problems on Direct and Inverse Proportion by Pattern — Solving by Determining Whether to 'Divide to Keep Constant' or 'Multiply to Keep Constant'

Introduction: Starting by confirming what you can already doYou should already be able to do multiplication and division. You ...
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Direct and Inverse Proportions - GCSE Interactive Maths Lesson with Self-Marking Activities

Direct and Inverse Proportions is a completely interactive lesson designed for GCSE learners that include 9-1 reasoning and problem-solving questions. Perfect for both higher and foundation and a ...
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Key points about equations of direct and inverse proportion

In this graph, 𝑥 and 𝑦 are directly proportional. This means that when 𝑥 doubles, 𝑦 also doubles, and when 𝑥 triples, so does 𝑦. In fact, for all coordinates on this line, you could multiply or ...
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How to use proportions and direct variation to solve for x

Sure, here is the edited description with all links and associated text removed: --- Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, ...
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Ratio, proportion and rates of change

Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game. NEW: Ratio and fractions, and ...