Ratios are seen in everyday life. They can be used when adding ingredients to make a meal, when deciding how much pocket money children get or when reading a map.

What is the ratio of red, blue and black marbles?

6:3:5

6, 3 and 5

6 - 3 - 5

How can you simplify the ratio 8:32?

4:16

1:4

How can you simplify the ratio 2:3.6 so that it does not involve decimals?

36:2

5:9

20:36

How can you simplify the ratio ?

8:9

2:3

3:4

Purple paint is made by mixing red and blue paint in the ratio 2:3. If 15 litres of blue paint is used, how much red paint will be needed?

5 litres

6 litres

10 litres

The ratio of boys to girls in a class is exactly 4 : 5. Could there be 31 pupils in the class?

Yes

No

Impossible to tell

Two sisters share pocket money in the ratio of their ages. The first girl is 5 and the second girl is 7. The girls are given £36 between them. How much money does the younger girl receive?

£5

£12

£15

Three men receive an overtime bonus of £100 to share between them in the ratio 12:18:30. How much does each man get?

£12, £18 and £30

£20, £30 and £50

£15, £25 and £60

A map has a scale where 1 cm represents 5 km. The distance between two towns is 95 km. What distance would this be on the map?

17 cm

19 cm

21 cm

A floor plan of a house is drawn using the scale of 2 cm : 1.5 m. In the floor plan the length of one of the walls is shown as 15 cm. How long is the actual wall?

11.25 m

12 m

22.5 m