4. You spend £12.87 in a shop and pay with a £20 note. How much change should you receive?

19. A container weighs 8 kg when full of ice cream and 4.5 kg when half the ice cream has been eaten. What is the mass of the container when only a quarter of the ice cream remains?

2. Oranges cost 7p each. How many oranges can you buy with £1.33?

22. What is the result of 63 minus 24?

14. A large pizza for 4 people uses 75g of cheese. How many grams of cheese are needed to serve 16 people?

18. Edward bought 8 trees and 3 roses. Mike bought 3 trees and 8 roses. If each rose costs 45p and Edward paid £1.25 more than Mike, how much does one tree cost?

21. In a triangle with angles x, y and z, the mean of x and y is equal to z. What is the value of z?

13. If you roll two fair six-sided dice, which total — 3, 7, or 12 — is least likely to occur?

3. A school bus scheduled for 15:45 leaves 19 minutes late. What time does it leave?

12. 250 grams is what percentage of 2 kilograms?

9. Each class has 21 children. How many 7-a-side teams can be formed from 4 such classes?

5. What is the volume of a box that measures 17 cm by 9 cm by 2 cm?

1. What is the result of 48 plus 37?