N2 / L1 . 2, 3, 9, 10 N2 / L2 . 2, 3, 7, 8, 9 Fractions and Percentages – Classifying Activity Learning Aim: The aim of this activity is to be able to identify the different types of problem you may encounter in a Level 1 or Level 2 Numeracy test. The two main types of problem for both Fractions and Percentages are described on the next page. Contents: 2-way table 18 problem cards Task: 1. Shuffle the problem cards 2. One member of the group selects a card. 3. Place your card in one of the 4 sections on the 2-way table. 4. Discuss your decision with the other members of the group, justifying why you have chosen that section. 5. There is no need to solve the problem at this stage. 6. Now the other members of the group take turns to classify all the problems in the same way. 7. When all members are agreed that the problems have been correctly classified, take turns to choose a problem and solve it. (You may round off some of the prices.) FRACTION PROBLEMS TYPE I TYPE II • “Find a fractional part of a quantity” • “Express one quantity as a fraction of another” • The QUESTION contains a fraction Example: • Find 3/4 of £36 • The ANSWER will be a fraction Example: • Express £27 as a fraction of £36 PERCENTAGE PROBLEMS TYPE I TYPE II • “Find a percentage part of a quantity” • “Express one quantity as a percentage of another” • The QUESTION contains a percentage Example: • Find 75% of £36 • The ANSWER will be a percentage Example: • Express £27 as a percentage of £36 1. 12. Smirnoff Red 1 1 litre Was £15.99 3 /8 15. /3 OFF Save 2 /7 Jim Beam Bourbon in the sale Stella Artois 20 × 284 ml 70 cl Wrap Blouse Was £14.99 OFF 9. Was £15.99 Was £35 Save 1 /4 in the sale How much do you save? 11. How much do you pay? 2. 18.+ Cyclonic Cleaner Was £60 SAVE £10 What fraction of the original price do you save? 14. K Mules Was £40 Now only £35 Save £5 Write the saving as a fraction of the original price. 17. Relyon King size mattress Was £999 Save 30% How much do you save? How much do you save? 3. Print camisole Was £14 (Now only £12) Save £2 What fraction of the original price do you save? 4. Recliner chair SAVE 45% in the sale Was £599 What is the sale price? What’s the sale price? Lace beaded top Prices slashed! Was £35 SAVE £10 !!! What is the saving as a fraction of the original price? 10. Sealy King size mattress Was £249 20% OFF How much do you pay in the sale? Bastille bedstead Massive 50% saving !!! Was £1399 How much do you save? 8. 5. Was £7.49 Save 33% on Hardys Crest Chardonnay – Sauvignon Blanc (75 cl) How much would you expect to save? 6. John Smith’s Smooth 12 × 440 ml Was £10.99 20% OFF What’s the saving? 13. Beck’s 20 × 275 ml Was £14.99 Save £5 Express the saving as a percentage of the original price 7. 16. Court shoes Print Blouse Was £40 Now only £30 SAVE £10 Save £2 What percentage of the original price do you save? Sandals (Was £20 – now only £18) HUGE SAVING £20 OFF Was £50 Now only £30 Write the saving as a percentage of the original price What percentage of the original price do you save? Answers – Fractions and Percentages – Classifying Activity, L1 Type I Fractions 1. 3 /8 × ~£16 = £6 saving 9. 1/4 × ~£16 = £4 off. £15.99–£4.00 = £11.99, sale price 12. 1/3 × ~£15 = £5 off. £14.99-£5.00 = £9.99 to pay 15. Percentages 2 /7 × £35 = £10 saving 4. 20% of ~£250 = £50 off £249-£50 = 199 to pay 5. 20% of ~£11 = £2.20 saving 8. 33% of £7.49 is approx. 1 /3 of £7.50 Expect to save £2.50 10. 50% of ~£1400 = £700 saving 14. 30% of ~£1000 = 3×£100 = £300 saving. 17. 45% of ~£600 = £(60+60+60+60+30) = £270 saving £599 - £270 = £329 sale price Type II 2. Saving = £5 Original £40 = 1 8 3. Saving = £10 = 2 Original £35 7 11. Saving = £10 = Original £60 18. Saving = £2 Original £14 6. 1 6 = 1 7 £5 × 100% = 1/3 × 100% ~£15 = 331/3 % 7. £2 × 100% = 1/10 × 100% = 10% £20 13. £10 × 100% = 1/4 × 100% = 25% £40 16. £20 × 100% = 2/5 × 100% = 40% £50