Number worksheet — GCSE Foundation

1.A photography studio offers 4 backdrops and 3 outfits for a portrait session. The plain grey backdrop, one of the 4 backdrops, cannot be used with the formal suit outfit, one of the 3 outfits. Work out how many different backdrop-and-outfit combinations are possible.

2.Write the fraction 47/50 as a decimal.

3.Work out 2 × (−3 + 7)

4.3.4 × 10⁵ is written as an ordinary number. Work out this number.

5.Work out 4368 ÷ 12.

6.A plane flies 2340 km at an average speed of 780 km/h. It departs at 08:20. Work out the arrival time, using the 24-hour clock.

7.Given that 2⁵ = 32, work out 2⁶.

8.A pizza is cut into 12 equal slices. Ben eats 5 slices and Mia eats 3 slices. What fraction of the pizza is left, giving your answer in its simplest form?

9.A country has an area of 25,000,000 hectares. Write this area in standard form.

10.A box holds 140 pens. 25% of the pens are red. Work out how many of the pens are red.

11.Work out 1/2 of 1/4 of 80.

12.A pack contains 20 stickers. Noah gives 1/5 of the pack to his sister. Work out how many stickers he gives away.

13.A rectangular patio measures 90 cm by 120 cm. Ben wants to cover it exactly with identical square tiles, as large as possible, with no tiles cut. Work out the side length of the largest square tile he can use.

14.Work out (5 + 2) × 3²

15.A circle has a radius of 5 cm. Work out the exact circumference of the circle, in terms of π.