Money Boxes - Mental Maths Ideas

Ideas for quick fire oral or written questions during mental maths sessions.
Some ideas can also be used as basis of an investigation in main part of Numeracy lesson.

1. What is 1p, 10p, 100p….. more/less than 105p?
2. How much is VAT on £10, £100, £1000…. when VAT is at 17.5%?
3. How many £1 coins are in £8, £80, £800, £8000….?
4. What is the value of £15 in Bangladeshi taka if £1 = 82 taka?
5. How does a calculator show 4p, 40p…
6. How many 10p coins are in 60p, £6, £60, £600…….?
7. How would you enter 15p in a calculator?
8. What is 5p, 50p, 500p….more than 6p?
9. How many £100 notes are in £1100, £11000, £110000….?
10. How do you enter £23.99 in a calculator?
11. What is the value of £34 in Indian rupees if £1 = 70 rupees?
12. The calculator shows 9.7 . What is this in money?
13. How many 1p coins are in 3p, 30p, £3, £30, £300….?
14. How do you enter £82.01 in a calculator?
15. The calculator shows .2. What is this in money?
16. The cost price of a DVD is £12 and the selling price is £22. What is the profit?
17. Which is the most expensive: nine chocolate bars that cost 30p each or six bags of sweets that cost 42p each?
18. What is the value of £10 in euros if £1 = 1.5 euros?
19. How do you enter £132.10 in a calculator?
20. How does a calculator show 29p, £2.90, £29, £29.90…?