Real-Life Graphs Practice Questions

Use the graph to convert $12$ inches to centimetres.

................................................ cm

Use the graph to convert $45$ cm to inches.

................................................ inches

Write down the mass of the puppy in week 3.

................................................ kg

In which two weeks was the mass of the puppy the same?

................................................

Priya says that the mass of the puppy increased more between week 1 and week 3 than it did between week 5 and week 7.

Is Priya correct?
Give a reason for your answer.

How far from his home was Tom after 20 minutes?

................................................ km

Tom stopped at the park.

For how many minutes did he stop?

................................................ minutes

Write down the time, in minutes, when Tom was 2 km from home on his walk back.

................................................ minutes

Complete the table.

Time worked (hours)	0	1	2	3	4
Cost (£)	20	35		65

On the grid, draw a graph to show the cost of the plumber working for up to 4 hours.

Use your graph to work out the cost when the plumber works for 2 hours 30 minutes.

£ ................................................

Write down the greatest speed of the train.

................................................ m/s

For how many seconds was the train travelling at a constant speed?

................................................ seconds

Describe what happens to the speed of the train between 25 seconds and 40 seconds.

Work out the acceleration of the train during the first 10 seconds.

................................................ m/s$^2$

Write down the volume of water in the tank when the tap was opened.

................................................ litres

Use the graph to work out the rate at which the water flows out of the tank.
Give your answer in litres per minute.

................................................ litres per minute

How many minutes after the tap was opened were there 150 litres of water left in the tank?

................................................ minutes

Complete the distance-time graph to show the rest of Kwame's journey.

Work out the speed of the car on the journey from his home to the garden centre.
Give your answer in kilometres per hour.

................................................ km/h

Work out the speed of the car on the journey home.
Give your answer in kilometres per hour.

................................................ km/h

Aled hires a van from Firm A and drives 40 miles.

Use the graph to write down the cost.

£ ................................................

Work out the cost per mile charged by Firm A.

For what distance do the two firms charge the same amount?

................................................ miles

Bethan wants to hire a van and drive 95 miles.

Which firm is cheaper for this journey?
Give a reason for your answer.