Percentage Worksheet – Mental Maths

Speed calculation lesson 12: Percentages in seconds · Set 741 · 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 610 =
2. 2.5% of 820 =
3. 3.10% of 150 =
4. 4.10% of 200 =
5. 5.5% of 900 =
6. 6.15% of 850 =
7. 7.50% of 570 =
8. 8.25% of 880 =
9. 9.20% of 180 =
10. 10.1% of 710 =
11. 11.20% of 520 =
12. 12.1% of 220 =
13. 13.1% of 720 =
14. 14.5% of 430 =
15. 15.10% of 730 =
16. 16.50% of 830 =
17. 17.15% of 300 =
18. 18.1% of 500 =
19. 19.50% of 480 =
20. 20.1% of 150 =
21. 21.25% of 360 =
22. 22.10% of 850 =
23. 23.50% of 700 =
24. 24.5% of 250 =
25. 25.5% of 260 =
26. 26.20% of 450 =
27. 27.25% of 190 =
28. 28.20% of 460 =
29. 29.25% of 350 =
30. 30.5% of 240 =
31. 31.5% of 300 =
32. 32.5% of 280 =
33. 33.50% of 410 =
34. 34.5% of 180 =
35. 35.15% of 760 =
36. 36.20% of 650 =
37. 37.5% of 720 =
38. 38.20% of 320 =
39. 39.50% of 570 =
40. 40.10% of 90 =

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