This key facts covers The "Parts" Method within Ratio Sharing for GCSE Mathematics. Revise Ratio Sharing in Ratio & Proportion for GCSE Mathematics with 14 exam-style questions and 12 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 2 of 7 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
The "Parts" Method
Think of a ratio as PARTS of a whole
For the ratio 3:2:
- Person A gets 3 parts
- Person B gets 2 parts
- Total = 3 + 2 = 5 parts
Practice questions for Ratio Sharing
£300 is shared in the ratio 2:3 What is the smaller share?
Liam says: "If you share £50 in the ratio 1:4, the larger share is £40." Explain why Liam is correct.
Quick recall flashcards
Sharing Ratios
Add ratio parts, divide total by sum, multiply by each part
Sharing Method
1) Add up parts 2) Divide total by parts 3) Multiply for each share