Tuesday Maths KS4 Week 26 Key Skill – Proportion.

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Presentation transcript:

Tuesday Maths KS4 Week 26 Key Skill – Proportion

Proportion The 1000 Game Can you make 1000? The exchange rate for pounds to dollars is £1:$1.26. How much in dollars is a coat which costs £80? Blue and yellow paint needs to be mixed in the ratio 2:3, if 12 litres of blue paint is used how much yellow paint is needed? Which is cheaper a handbag which costs £70 in London or $85 in New York? A is directly proportional to B. When A is 12, B is 20. What is A when B is 35?

Proportion The 1000 Game Can you make 1000? The exchange rate for pounds to dollars is £1:$1.26. How much in dollars is a coat which costs £80? $100.80 Blue and yellow paint needs to be mixed in the ratio 2:3, if 12 litres of blue paint is used how much yellow paint is needed? 18 litres Which is cheaper a handbag which costs £70 in London or $85 in New York? London = $88.20 New York cheaper A is directly proportional to B. When A is 12, B is 20. What is A when B is 35? 21