Topic 11 · Number & Algebra
Ratio & Proportion
Solving ratio problems, direct proportion and inverse proportion.
By the end of this topic you can…
- Share a quantity in a given ratio and solve ratio problems
- Recognise and use direct proportion
- Recognise and use inverse proportion
Lessons
- Solving Ratio Problems Sharing a quantity in a ratio, working from one share, and working from the difference between shares.
- Direct Proportion Quantities that grow at the same rate: the unitary method, multiplier tables, and straight-line graphs through the origin.
- Inverse Proportion When one quantity goes up the other goes down in step: the product stays the same.
Ratio and proportion quiz
Ten questions drawn at random from a bank of thirteen, covering ratio problems, direct proportion and inverse proportion.
10 questions · pass mark 70%