QUESTION 1

The graph below shows the conversion between centimetres (cm) and inches (inch).

Using the conversion graph, what is 3 inches in centimetres?

 

ANSWER:

7.6 cm

WRONG ANSWERS:

2.5 cm

1.2 cm

6.8 cm

 

WORKING:

 

 

QUESTION 2

The graph below shows the conversion between gallons and litres.

Using the conversion graph, what is 4 gallons in litres?

 

ANSWER:

18 litres

WRONG ANSWERS:

16 litres

0.9 litres

1.2 litres

 

WORKING:

 

 

QUESTION 3

The graph below shows the conversion between yards and feet.

Using the conversion graph, what is 12 feet in yards?

 

ANSWER:

4 yards

WRONG ANSWERS:

36 yards

2 yards

6 yards

 

WORKING:

 

 

QUESTION 4

The graph below shows the conversion between kilograms (kg) and pounds (lb).

 

Hillary weighs 140 lb.

Using the conversion graph, estimate her weight in kilograms.

 

ANSWER:

64 kg

WRONG ANSWERS:

72 kg

310 kg

80 kg

 

WORKING:

14 lb \approx 6.4 kg

So, 140 lb \approx 6.4 \times 10 = 64 kg

 

 

QUESTION 5

The graph below shows the conversion between Euros (€) and Pounds (£).

Oscar exchanges £200 into Euros.

Using the conversion graph, estimate how many Euros Oscar receives.

 

ANSWER:

€220

WRONG ANSWERS:

€440

€180

€300

 

WORKING:

£2 = €2.20

So, £200 = €2.20 \times 100 = €220

 

 

QUESTION 6

Sarah is doing a walk to raise money for charity.

Her parents have said they will each donate some money to give to the charity.

The amount they each donate is determined by the number of miles Sarah walks.

The graph below shows the conversion between the amount one parent will donate and the number of miles Sarah walks.

Given that both of her parents donate the same amount, calculate how much money will be donated in total from Sarah’s parents if she walks 14 miles.

 

ANSWER:

£380

WRONG ANSWERS:

£190

£280

£440

 

WORKING:

Each parent donates £190

In total her parents donate 2 \times £190 = £380