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Keith Burnett, Sutton Coldfield College, [email protected]
Ratios and ProportionAdult Numeracy N1/L2.3: Understand ratio written in the form 3:2 •Understand how to work out the number of parts in a given ratio, and the value of one part Functional Mathematics Level 2: Understand, use and calculate ratio and proportion, including problems involving scale.•Understand ratio written in the form 3:2, sharing £60 in the ratio 3:2.•Understand how to work out the number of parts in a given ratio, and the value of 1 part. For example, the total cost for a job is £200. If the ratio between labour and materials is 5:3, how much was the labour?
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Keith Burnett, Sutton Coldfield College, [email protected]
3:2
2 parts orangejuice
3 parts water
3 + 2 = 5 equal parts…
Keith Burnett, Sutton Coldfield College, [email protected]
Find value of one share if you know the value of the whole amount…
Keith Burnett, Sutton Coldfield College, [email protected]
Find value of one share if you know the value of the other share…
Keith Burnett, Sutton Coldfield College, [email protected]
Try these problems, some in pictures and some in words…
Keith Burnett, Sutton Coldfield College, [email protected]
Jim’s Jemima’s
Write down the ratio using the colon notation…
Keith Burnett, Sutton Coldfield College, [email protected]
£800
Jim’s Jemima’s
Find the value of Jim and Jemima’s shares…
Keith Burnett, Sutton Coldfield College, [email protected]
£??
£280
Find the value of the whole amountand the missing share…
£??
Keith Burnett, Sutton Coldfield College, [email protected]
Write down the ratio using thesmallest whole numbers you can…
Keith Burnett, Sutton Coldfield College, [email protected]
How much cous-cous and water do you need for two servings?
Keith Burnett, Sutton Coldfield College, [email protected]
Write the ratio of (dry) cous-cous to water in its lowest terms
Keith Burnett, Sutton Coldfield College, [email protected]
Algernon wants to make 800g of cooked cous-cous. How much dry cous-cous does he need? And how much water in ml?
