🔢 Mathematics · Ratio & Proportion
Ratio Problems
Solve problems involving the relative sizes of two quantities where missing values can be found by using integer multiplication and division facts
Typical age: 10–11 years
“If a recipe uses 3 eggs for every 200g of flour, can your child work out how many eggs would be needed for 600g of flour?”
0 / 3 mastered
Explore graph
Needs first
- Multiplying fractions (age 10+)
Ratio reasoning connects to fraction multiplication
- Bar Models for RatiosREQUIRED
Solving relative-sizes problems is most reliably scaffolded by drawing a bar model to set up the relationship
- Percentages (age 9+)REQUIRED
Solving relative sizes problems requires 'ratio', 'proportion', and 'relative size' as understood terms
- Multiplicative ComparisonREQUIRED
Ratio reasoning builds on multiplicative comparison from Y5