Topic selection
Ratio
Scale factors, proportion, rates, and direct comparison.
Confidence
49 / 100
Practice
8
Timed mode
Ready
End-of-year exam context
Use this topic in Year 10 end-of-year maths papers where ratio starts to appear in map-scale, recipe, and multi-step GCSE-style contexts.
GCSE preparation
Students move from straightforward ratio methods into more layered GCSE-style reasoning and unit-control questions.
Curriculum coverage
GCSE • AQA, Edexcel, OCR
In Year 10 this topic supports proportional reasoning and scale work commonly introduced before mock-paper difficulty.
Year 11 continuation
In Year 11 the same topic supports more complex GCSE multi-step ratio, rates, and scale interpretation.
Source attribution
Seed Content Provider
mvp-content-catalog:maths-ratio
Checked against
GCSE ratio and proportion topic outline
Last updated: 6 Jun 2026
Explain Simply
Ratio compares parts and helps you scale one quantity against another accurately.
Worked Examples
Write the total number of parts first, then divide the full amount before multiplying back up.
Common Mistakes
Students often reverse the ratio order or forget to simplify before comparing.
Exam Technique
Label units carefully, especially when ratio appears inside a map scale or recipe question.