Percentage Worksheet – Mental Maths

Speed calculation lesson 12: Percentages in seconds · Set 960 · 40 questions

The fast method (Build from 10%): 10%: divide by 10. 1%: divide by 100. 5% = half of 10%, 20% = double 10%, 15% = 10% + 5%. 50% = half, 25% = half of a half.

1. 1.50% of 250 =
2. 2.10% of 700 =
3. 3.5% of 160 =
4. 4.10% of 540 =
5. 5.5% of 20 =
6. 6.25% of 330 =
7. 7.50% of 130 =
8. 8.20% of 230 =
9. 9.10% of 530 =
10. 10.10% of 40 =
11. 11.1% of 230 =
12. 12.50% of 150 =
13. 13.15% of 680 =
14. 14.50% of 350 =
15. 15.20% of 400 =
16. 16.10% of 740 =
17. 17.10% of 210 =
18. 18.25% of 200 =
19. 19.20% of 20 =
20. 20.50% of 460 =
21. 21.5% of 540 =
22. 22.50% of 70 =
23. 23.5% of 760 =
24. 24.50% of 570 =
25. 25.5% of 440 =
26. 26.50% of 40 =
27. 27.1% of 300 =
28. 28.15% of 50 =
29. 29.10% of 620 =
30. 30.1% of 770 =
31. 31.10% of 180 =
32. 32.50% of 170 =
33. 33.1% of 190 =
34. 34.1% of 410 =
35. 35.15% of 760 =
36. 36.20% of 240 =
37. 37.5% of 130 =
38. 38.10% of 240 =
39. 39.50% of 400 =
40. 40.25% of 570 =

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