1. Ratios and proportion

2. 3:2

3. 3:2
3 parts water

4. 2 parts orange
juice
3:2
3 parts water

5. 2 parts orange
juice
3:2
3 parts water
3 + 2 = 5
equal parts…

6. Find value of one share if you know the value of the whole amount…

7. £350
£??

8. £350
£??
How did you work it out?

9. £350
£70
350 ÷ 5 = 70

10. £350
£70
£70
£70

11. £350
£70
£70
£70
3  70 = 210

12. £350
£210

13. £350
£210
£??

14. Find value of one share if you know the value of the other share…

15. £20

16. £20 ??

17. £20
£30

18. £20
£30
How did you work it out?

19. Try these problems, some in pictures and some in words…

20. Jim’s
Jemima’s
Write down the ratio using the
colon notation…

21. £800
Jim’s
Jemima’s
Find the value of Jim
and Jemima’s shares…

22. £??
£280
£??
Find the value of the whole amount
and the missing share…

23. Write down the ratio using the
smallest whole numbers you can…

24. How much cous-cous and water do you need for two servings?

25. Write the ratio of (dry) cous-cous to water in its lowest terms

26. Algernon wants to make 800g of cooked cous-cous
Algernon wants to make 800g of cooked cous-cous. How much dry cous-cous does he need? And how much water in ml?