Ratio Proportion and Rates of Change — GCSE Revision Notes

5 notes on Ratio Proportion and Rates of Change for GCSE Maths.

What these notes cover

Ratio: Simplifying, Sharing & Combining — Ratio: Simplifying, Sharing & Combining; Simplifying Ratios; Writing as 1 : n or n : 1; Sharing in a Given Ratio; Given One Share, Find the Others; The Difference Between Shares
Direct & Inverse Proportion — Direct & Inverse Proportion; Direct Proportion; Direct Proportion to Powers and Roots (Higher); Inverse Proportion; Inverse Proportion to Powers (Higher); Recognising Proportion from Tables and Graphs
Compound Measures: Speed, Density, Pressure — Compound Measures: Speed, Density, Pressure; Speed; Density; Pressure; Converting Units; Distance-Time Graphs
Percentage Change & Growth/Decay — Percentage Change & Growth/Decay; Percentage Increase and Decrease; Percentage Change; Reverse Percentages; Repeated Percentage Change (Higher); Exponential Growth and Decay
Scale Factors & Similar Shapes — Scale Factors & Similar Shapes; Scale Factors; Finding Missing Sides in Similar Shapes; Similar Triangles; Area Scale Factor (Higher); Volume Scale Factor (Higher)