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Topic: Percentage and Ratio (Foundation - Unit 3)

Specification References: N3.3 N3.3 Solve problems involving ratio and proportion, including the unitary method of solution.

Candidates should be able to:

• use ratio and proportion to solve word problems using informal strategies or using the unitary method of solution
• solve best buy problems using informal strategies or using the unitary method of solution 
• use direct proportion to solve geometrical problems
• use ratios to solve geometrical problems

Notes

Candidates should note that division in a given ratio is assessed in Unit 2 only. 

Examples

1. Cola is sold in two sizes: 330ml cans or 1.5 litre bottles.
   A pack of 24 cans costs £4.99; a pack of 12 bottles costs £14.29. Which pack is best value for money?

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