Maths activitiesRatios and rates · Year 7/8 real-world maths

Ratio Kitchen

You are the catering lead. Every batch must taste the same, serve enough people and stay within budget.

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Ratios, rates and proportional reasoning · Lesson 1 of 5

Mix the house drink

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LookSee the ideaTryChange the modelCheckUse the clue

Do thisMix 1 part concentrate with 4 parts water.

Change it. Then tap Check.

1 part1 part

Part-to-part1:1

Total parts2

Concentrate share1/2

Concentrate partsWater parts

If the mix is 1:4, what fraction of the whole is concentrate?

Keep every part in proportion, then check the batch.

HowPart-to-part terms make five total parts.

Mathspart-to-part ratio → fraction of total parts

WhyDrink recipes need the same taste in every batch.

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