Maths-it Podcast F-13Foundation GCSE Revision

Interpreting graphs

TopicsReal life graphs, plotting and interpreting – Distance time graphs – Conversion graphs

Questions

1.

The conversion graph above can be used for changing between kilograms and pounds.

(a) Use the graph to change 11 pounds to kilograms.

............................. kg(1)

(b) Use the graph to change 7.5 kilograms to pounds.

..................... pounds(1)

Gianluca weighs 160 pounds.

(c) Change 160 pounds to kilograms.

............................. kg(3)

(Total

22

20

18

16

14

12

10

8

6

4

2

00 1 2 3 4 5 6 7 9 10 11 12

Kilograms

Pounds

8

Maths-it Podcast F-13Foundation GCSE Revision

Interpreting graphs

2. Tomas travels by car to his meetings.

Tomas’ company works out the amount it will pay him for the distance he travels.

It uses the graph below.

Amount inpounds (£)

120

100

80

60

40

20

50 100 150 200 250 300Distance in miles

(c) Use the graph to write down

(i) the amount Tomas’ company pays him when he travels 200 miles,

£……………………

(ii) the distance Tomas travels when his company pays him £70.

………………miles(2)

(Total 9 marks)

Maths-it Podcast F-13Foundation GCSE Revision

Interpreting graphs

3.

80

70

60

50

40

30

20

10

0

Lit

res

Gallons0 5 10 15 20

The conversion graph above can be used for changing between gallons and litres.Use the graph to change

(i) 11 gallons to litres,

…………………… litres

(ii) Use the graph to change 35 litres to gallons.

………………… gallons(Total 2 marks)

Maths-it Podcast F-13Foundation GCSE Revision

Interpreting graphs

4. A man left home at 12 noon to go for a cycle ride.The travel graph represents part of the man’s journey.

At 12.45pm the man stopped for a rest.

(a) For how many minutes did he rest?

……………minutes(1)

(b) Find his distance from home at 1.30pm.

………………….km(1)

The man stopped for another rest at 2pm.

He rested for one hour.

Then he cycled home at a steady speed. It took him 2 hours.

(c) Complete the travel graph.(2)

(Total 4 marks)