Printable · GCSE Foundation · ages 14-16
Ratio, proportion and rates of change worksheet — GCSE Foundation
Fifteen questions across the ratio, proportion and rates of change statements at Foundation tier. Choose the non-calculator filter to rehearse Paper 1, which counts for a third of the marks.
Ratio, proportion and rates of change worksheet — GCSE Foundation
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- 1.A force of 20 N acts on an area of 4 m². Using pressure = force ÷ area, work out the pressure, in pascals.
- 2.A car travels 150 km in 3 hours at a constant speed. Work out the average speed of the car, in km/h.
- 3.Write 400 g : 1.5 kg as a ratio in its simplest form.
- 4.Write 350 ml : 1.4 l as a ratio in its simplest form.
- 5.A glass holds 250 ml of squash. Work out how many of these glasses are needed to fill a 1 litre bottle.
- 6.Butter costs £2.40 per kg. Work out the cost of the butter in pence per 100 g.
- 7.A recipe for 8 people needs 320 g of rice. Sanjay scales the recipe down to serve 5 people, then wants to scale his new amount back up to serve 8 people again. Work out the multiplier he should use to scale his amount for 5 people back up to the amount for 8 people.
- 8.A mortar mix is made from sand and cement in the ratio 5 : 3. Write the ratio of sand to the total mix in its simplest form.
- 9.A smoothie recipe combines 350 cm³ of mango juice with 650 cm³ of orange juice. Work out the total volume of the smoothie in litres.
- 10.At a youth club the ratio of juniors to seniors is 3:5. There are 40 members altogether. Work out how many seniors there are.
- 11.Two mathematically similar water bottles have a volume scale factor of 8 from the smaller bottle to the larger bottle. Work out the surface area scale factor from the smaller bottle to the larger bottle.
- 12.A lorry is carrying a load of mass m tonnes. Given that 1 tonne = 1000 kg, write down an expression for the mass of the load in kilograms.
- 13.Write £3.60 : £2.40 as a ratio in its simplest form.
- 14.£120 is shared between three cousins in the ratio 3:4:5. Work out the largest share.
- 15.Write the ratio 27 : 45 in its simplest form.
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