Ratios and Proportion Adult Numeracy N 1L 2


























- Slides: 26
Ratios and Proportion Adult Numeracy N 1/L 2. 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. ping. keith@googlemail. com To see more of Keith’s resources visit http: //www. slideshare. net/keithpeter Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
3: 2 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
3: 2 3 parts water Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
2 parts orange juice 3: 2 3 parts water Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
2 parts orange juice 3: 2 3 parts water 3+2=5 equal parts… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Find value of one share if you know the value of the whole amount… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £? ? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £? ? How did you work it out? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £ 70 350 ÷ 5 = 70 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £ 70 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £ 70 3 70 = 210 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £ 210 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 350 £ 210 £? ? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Find value of one share if you know the value of the other share… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 20 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 20 ? ? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 20 £ 30 Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 20 £ 30 How did you work it out? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Try these problems, some in pictures and some in words… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Jim’s Jemima’s Write down the ratio using the colon notation… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£ 800 Jim’s Jemima’s Find the value of Jim and Jemima’s shares… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
£? ? £ 280 £? ? Find the value of the whole amount and the missing share… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Write down the ratio using the smallest whole numbers you can… Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
How much cous-cous and water do you need for two servings? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Write the ratio of (dry) cous-cous to water in its lowest terms Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com
Algernon wants to make 800 g of cooked cous-cous. How much dry cous-cous does he need? And how much water in ml? Keith Burnett, Sutton Coldfield College, ping. keith@googlemail. com