1. Reverse Percentages – Calculator – Shootout!
Students compete (1v1 in pairs or in teams, at their tables or at the front) to
answer questions the quickest.
Students could write on your whiteboard or their own.
Delete too difficult/easy question slides beforehand (and its individual intro slide).
Click anywhere to start the music, then click ‘Go’ to show the question,
then click again to show the answer.
This game has sound!

2. Shootout!
Reverse Percentages

3. Correct Answer = 1pt
Fastest! = 1pt

4. Ready?
Go!

5. If 126 is 50%
What is 100%?
252

6. Ready?
Go!

7. If 73.5 is 25%
What is 100%?
294

8. Ready?
Go!

9. If is 30%
What is 100%?
123.4

10. Ready?
Go!

11. What was the original price?
SALE!
50%
OFF
Now:
£33
What was the original price?
£66

12. Ready?
Go!

13. What was the original price?
SALE!
25%
OFF
Now:
£34
What was the original price?
£45

14. Ready?
Go!

15. How much was in the original package?
50%
EXTRA
FREE!
Now:
360 ml
How much was in the original package?
240 ml

16. Ready?
Go!

17. How much was in the original package?
25%
EXTRA
FREE!
Now:
525 ml
How much was in the original package?
420 ml

18. Ready?
Go!

19. How much do you save on the price?
SALE!
20%
OFF
Now:
£37
How much do you save on the price? £9

20. Ready?
Go!

21. How much was in the original package?
20%
EXTRA
FREE!
Now:
310 g
How much was in the original package?
258 g

22. Ready?
Go!

23. What was the original price?
SALE!
10%
OFF
Now:
£19
What was the original price?
£21

24. Ready?
Go!

25. What was the original price?
SALE!
20%
OFF
Now:
£57
What was the original price?
£71

26. Ready?
Go!

27. How much extra do you get
20%
EXTRA
FREE!
Now:
270 g
How much extra do you get
45 g

28. Ready?
Go!

29. What was the original price?
SALE!
30%
OFF
Now:
£35.50
What was the original price?
£51

30. Ready?
Go!

31. What weight was the original burger?
20%
EXTRA
FREE!
Now:
142 g
What weight was the original burger?
118 g

32. Ready?
Go!

33. How much extra do you get?
40%
EXTRA
FREE!
Now:
342 g
How much extra do you get?
98 g

34. Ready?
Go!

35. What was the original price?
SALE! 5%
OFF
Now:
£27.50
What was the original price?
£29

36. Ready?
Go!

37. How much was in the original bottle?5%
EXTRA
FREE!
Now:
550 ml
How much was in the original bottle?
524 ml

39. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
Please feel free to