1. Find and simplify a ratio 2. Use a ratio to work out amounts

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1. Find and simplify a ratio 2. Use a ratio to work out amounts Ratio How To … 1. Find and simplify a ratio 2. Use a ratio to work out amounts

Find and simplify a ratio Subtract the given amount from the total; then simplify by finding common multiples Of 250 children in a school 150 are girls. What is the ratio of girls to boys 250 children – 150 girls = 100 boys Simplify = 15:10 Simplify = 3:2

Use a ratio to work out amounts Apples Cranberries 1 9 To make 9 pies, increase both apple and cranberry quantities by 9 Use a ratio to work out amounts Apples Cranberries 9 81 Pizza = £15. John Rita Patience 2 slices 1 slice How much does each person pay? Price ÷ total slices = 15 ÷ 5 = 3 1 slice = £3 (Patience) 2 slices = £6 (John and Rita each)