4:34 GCSE Maths - What Does Inversely Proportional Mean? (2026/27 exams)
Crisp, well-animated intro to inverse proportion including how to form and use the k equation.
Equations of inverse proportion
Write and use equations to solve problems involving inverse proportion
7 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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24:41 Understanding Inverse proportion (using formulas)| GCSE Maths Level 5-9| ExamSolutions
ExamSolutions works through inverse proportion using formulas and finding the constant of proportionality.
5:43 Inverse Proportion - Corbettmaths
Corbettmaths clearly shows how to set up y = k/x and solve inverse proportion questions.
27:16 Direct/Inverse Proportion - GCSE Higher Maths
Thorough Higher walkthrough; skip to the inverse section for forming and using the equation.
5:15 Direct and Inverse Proportion Explained for IGCSE and GCSE Maths
Save My Exams forms and rearranges proportion equations, including an inverse-cube worked example.
18:45 Direct and Inverse Proportion | Grade 7-9 Series | GCSE Maths Tutor
Grade 7-9 walkthrough of proportion techniques including writing and using inverse proportion equations.
21:55 Direct and Inverse Proportion
Maths Genie explains forming and solving both direct and inverse proportion equations step by step.