1. Tuesday Maths
KS4
Week 26
Key Skill – Proportion

2. 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?

3. 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? 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