PrepWisePrepWiseMathematics
Ratio & ProportionVery High Exam FrequencyAQAEdexcelOCRWJEC

Ratio Problems

Revise Ratio Problems in Ratio & Proportion for GCSE Mathematics with 14 exam-style questions and 3 flashcards. This is a very high-frequency exam topic, so it is worth revising until the core ideas feel automatic.

Study this topic

1

What Is a Ratio?

Introduction2

Key Rules for Simplifying

Key Facts3

Method: Simplifying Step by Step

Deep Dive4

Worked Example 1: Basic Simplification

Notes5

Worked Example 2: Different Units

Notes6

Worked Example 3: Three-Part Ratio

Notes7

Common Mistakes

Notes

Sample Flashcards

Unit Rule
ALWAYS convert to the SAME units before simplifying (e.g., all in pence, all in minutes)
Simplifying Ratios
Divide ALL parts by their Highest Common Factor (HCF). Keep going until you can't simplify further.

Sample Questions

A recipe uses flour and sugar in the ratio 5:2. What fraction of the mixture is flour?

  • A. 5/2
  • B. 5/7
  • C. 2/5
  • D. 2/7
1 markfoundation

The ratio of apples to oranges in a basket is 2:3. Sarah says "2/3 of the fruits are apples." Explain why Sarah is wrong.

2 marksstandard

14

exam-style questions

3

revision flashcards

Ready to revise Ratio Problems?

Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.

Join Alpha

Previous topic

Ratio Sharing

Next topic

Best Buy