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Ratios and Proportion Adult 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? Kindly contributed to www.skillsworkshop.org by Keith Burnett, Sutton Coldfield College. [email protected] To see more of Keith’s resources visit http://www.slideshare.net/keithpeter Keith Burnett, Sutton Coldfield College, [email protected] 3:2 Keith Burnett, Sutton Coldfield College, [email protected] 3:2 3 parts water Keith Burnett, Sutton Coldfield College, [email protected] 2 parts orange juice 3:2 3 parts water Keith Burnett, Sutton Coldfield College, [email protected] 2 parts orange juice 3:2 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] £350 £?? Keith Burnett, Sutton Coldfield College, [email protected] £350 £?? How did you work it out? Keith Burnett, Sutton Coldfield College, [email protected] £350 £70 350 ÷ 5 = 70 Keith Burnett, Sutton Coldfield College, [email protected] £350 £70 £70 £70 Keith Burnett, Sutton Coldfield College, [email protected] £350 £70 £70 £70 3 70 = 210 Keith Burnett, Sutton Coldfield College, [email protected] £350 £210 Keith Burnett, Sutton Coldfield College, [email protected] £350 £210 £?? 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] £20 Keith Burnett, Sutton Coldfield College, [email protected] £20 ?? Keith Burnett, Sutton Coldfield College, [email protected] £20 £30 Keith Burnett, Sutton Coldfield College, [email protected] £20 £30 How did you work it out? 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 amount and the missing share… Keith Burnett, Sutton Coldfield College, [email protected] Write down the ratio using the smallest 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? Keith Burnett, Sutton Coldfield College, [email protected]