1. RATIO AND PROPORTION

2. What is ratio? Ratio is a way of comparing amounts of something. It shows how much bigger one thing is than another. Ratio is a way of comparing amounts of something. It shows how much bigger one thing is than another. 1 nursery nurse for every 3 children 1 nursery nurse for every 3 children We would write this as 1:3 We would write this as 1:3

3. 1 nursery nurse for every 3 children Ratio = 1:3 If another 3 children joined the nursery, we would need another 1 nursery nurse If another 3 children joined the nursery, we would need another 1 nursery nurse We would now have 2 nursery nurses and 6 children. We could write this as 2:6 We would now have 2 nursery nurses and 6 children. We could write this as 2:6 By cancelling the numbers down (dividing both numbers by 2) we end up with the original ratio of 1:3 By cancelling the numbers down (dividing both numbers by 2) we end up with the original ratio of 1:3

4. Q. In a nursery we need a ratio of 1 nursery nurse for every 3 children. How many nursery nurses do we need for 15 children? Step 1- Write down the ratio 1 : 3 Step 2- Label the numbers Nurses Children 1 : 3 1 : 3

5. Q. In a nursery we need a ratio of 1 nursery nurse for every 3 children. How many nursery nurses do we need for 15 children? Step 3- Put the 3 rd number Nurses Children in the correct column 1 : 3 in the correct column 1 : 3 15 15 Step 4- Divide the 2 numbers which are in the same 15 ÷ 3 = 5 which are in the same 15 ÷ 3 = 5 column column Step 5- Multiply the answer by the number in the other 5 X 1 = 5 the number in the other 5 X 1 = 5 column column ANS = 5 nursery nurses

6. Q. A nursery uses 3 pints of milk for 7 bowls of cereal. How many bowls of cereal will they get from 12 pints of milk? Step 1- Step 1- 3 : 7 3 : 7 Step 2 -Step 2 - Milk Cereal 3 : 7 Step 3 -Step 3 - 12 Step 4 -Step 4 - 12 ÷ 3 = 4 12 ÷ 3 = 4 Step 5 -Step 5 - 4 X 7 = 28 bowls of cereal

7. Q. A nursery uses 3 pints of milk for 7 bowls of cereal How many bowls of cereal will you get from: How many bowls of cereal will you get from: 1) 6 pints of milk 2) 18 pints of milk 3) 33 pints of milk 4) 90 pints of milk

8. Quiz Time

9. Next Quit Next If for any reason you want to exit from the test, click the Quit button Use the Next button to move forward when you have selected the correct answer

10. Next Quit Next Player 1

11. Next Quit Next A factory makes 5 bicycles per hour. How many bicycles can they make in 2 hours? 5 2 9 10

12. Next Quit Next A taxi goes 10 miles in 20 minutes. How far does it travel in 60 minutes? 20 miles 60 miles 30 miles 40 miles

13. Next Quit Next Sue can do 20 math questions in 5 minutes. How long will it take Sue to do 100 questions? 20 minutes 35 minutes 25 minutes 30 minutes

14. Next Quit Next Player 2

15. Next Quit Next Four packs of sweets cost £2.00. How many packet of sweets can you buy with £10.00? 15 packets 25 packets 30 packets 20 packets

16. Next Quit Next The city bus goes 15 miles in 30 minutes. How far does it go in 120 minutes? 50 miles 45 miles 60 miles 55 miles

17. Next Quit Next If 12 roses makes 1 bunch of flowers, how many bunches of flowers would 60 roses make? 3 bunches 4 bunches 5 bunches 6 bunches

18. Next Quit Next Player 3

19. Next Quit Next If one box of chocolates holds 24 chocolates, how many boxes would be needed for 168 chocolates? 6 8 9 7

20. Next Quit Next If we need 300 grams of flour to make 12 scones, how many grams of flour would we need to make 72 scones? 2100 grams 1500 grams 2400 grams 1800 grams

21. Next Quit Next If 5 miles are approximately 8 kilometres, approximately how many miles are 96 kilometres? 65 miles 55 miles 50 miles 60 miles Next

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