Lesson 17 · Ratio, Proportion and Percentage

Ratio and Proportion

MathematicsSubject

14 minEstimated read

Activity 17.2

What you needA real recipe from home that feeds a known number of people, paper and pencil.

MethodWork out the amounts needed to feed the whole class, and then to feed just two people.

Then look for the odd oneCheck whether every quantity scales the same way, including the cooking time.

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