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Objectives: Use proportion to solve problems. Use direct proportion in simple contexts. Vocabulary:

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Presentation on theme: "Objectives: Use proportion to solve problems. Use direct proportion in simple contexts. Vocabulary:"— Presentation transcript:

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3 Objectives: Use proportion to solve problems. Use direct proportion in simple contexts. Vocabulary:

4 34512 63210 14169 82417 184028 W/S5.1B Finding multiplicative relationships: 34 is twice as big as 17. Example: 8 is ¼ of 32 Find 5 other multiplicative relationships in the target board.

5 £1260p15kg 6 CDs24p48 sweets £120£1512 cakes Share the amounts highlighted equally between 2. Share the amounts highlighted equally between 3. Share the amounts highlighted equally between 4. M5.2B 24 sweets £60 5 kg 8p £3

6 £1260p15kg 6 CDs24p48 sweets £120£1512 cakes 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 2 lots (me) 1 lot (my brother) £12 into 3 lotsEach lot £4 Me, 2 lots of £4 = £8 My brother, 1 lot of £4 = £4

7 £1260p15kg 6 CDs24p48 sweets £120£1512 cakes Share the highlighted amounts so that one person gets half as much as the other. 60p shared unequally is 20p : 40p 6 CDs shared unequally is 2 CDs: 4 CDs £15 shared unequally is £5: £10

8 Recipe for oatcakes 200gfine oatmeal 100gwholewheat flour 4gsalt 4gbaking powder 24gcaster sugar 72gmargarine 1eggbeaten This recipe gives enough biscuits for two people. How many eggs for 4 people? How much flour for 6 people? How much salt for 10 people? 4 people need 2 eggs 300g of flour for 6 people 20g of salt for 10 people

9 Recipes: Salad for three: 200g lettuce 100g tomatoes 50g onions 50 g cheese Pie for two: 200g flour 50g margarine 1 egg beaten 500g beef Using the information in the box find: The ingredients for salad for 9 people. The ingredients for pie for 8 people. W/S 5.2B

10 Recipes: Salad for three: 200g lettuce 100g tomatoes 50g onions 50 g cheese Pie for two: 200g flour 50g margarine 1 egg beaten 500g beef Answers: The ingredients for salad for 9 people. The ingredients for pie for 8 people. 600g lettuce 300g tomatoes 150g onions 150g cheese 800g flour 200g margarine 4 eggs beaten 2000g beef

11 Objectives: Use proportion to solve problems. Use direct proportion in simple contexts. Vocabulary:

12 Thank you for your attention

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