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Objectives: • Use proportion to solve problems. • Use direct proportion in simple contexts. Vocabulary: W/S5.1B Finding multiplicative relationships: Example: 8 is ¼ of 32 34 is twice as big as 17. 34 5 12 6 32 10 14 16 9 8 24 17 18 40 28 Find 5 other multiplicative relationships in the target board. Share the amounts highlighted equally between 2. 24 sweets £60 Share the amounts highlighted equally between 3. Share the amounts highlighted equally between 4. 5 kg 8p £3 £12 60p 15kg 6 CD’s 24p 48 sweets £120 £15 12 cakes M5.2B Unequal sharing: If my brother and I shared £12 so that he received half as much as I did – how much would we each receive? £12 60p 15kg 6 CD’s 24p 48 sweets £120 £15 12 cakes 2 lots (me) £12 1 lot (my brother) £12 into 3 lots Each lot £4 Me, 2 lots of £4 = £8 My brother, 1 lot of £4 = £4 Share the highlighted amounts so that one person gets half as much as the other. £12 60p 15kg 6 CD’s 24p 48 sweets £120 £15 12 cakes 60p shared unequally is 20p : 40p 6 CD’s shared unequally is 2 CD’s: 4 CD’s £15 shared unequally is £5: £10 Recipe for oatcakes How many eggs for 4 people? 200g fine oatmeal 100g wholewheat flour 4g salt 4 people need 2 eggs How much flour for 6 people? 4g baking powder 24g caster sugar 72g margarine 1egg beaten 300g of flour for 6 people How much salt for 10 people? 20g of salt for 10 people This recipe gives enough biscuits for two people. Recipes: Salad for three: 200g lettuce 100g tomatoes Using the information in the box find: The ingredients for salad for 9 people. 50g onions 50 g cheese The ingredients for pie for 8 people. Pie for two: 200g flour 50g margarine 1 egg beaten 500g beef W/S 5.2B Recipes: Salad for three: 200g lettuce Answers: The ingredients for salad for 9 people. 100g tomatoes 600g lettuce 50g onions 300g tomatoes 50 g cheese 150g onions 150g cheese Pie for two: 200g flour 50g margarine 1 egg beaten 500g beef The ingredients for pie for 8 people. 800g flour 200g margarine 4 eggs beaten 2000g beef Objectives: • Use proportion to solve problems. • Use direct proportion in simple contexts. Vocabulary: Thank you for your attention