Percentage Worksheet – Mental Maths

Speed calculation lesson 12: Percentages in seconds · Set 962 · 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 470 =
2. 2.25% of 620 =
3. 3.10% of 20 =
4. 4.25% of 870 =
5. 5.50% of 590 =
6. 6.50% of 150 =
7. 7.15% of 790 =
8. 8.1% of 370 =
9. 9.5% of 130 =
10. 10.5% of 610 =
11. 11.5% of 880 =
12. 12.20% of 130 =
13. 13.50% of 900 =
14. 14.5% of 220 =
15. 15.5% of 720 =
16. 16.50% of 450 =
17. 17.20% of 230 =
18. 18.50% of 400 =
19. 19.50% of 380 =
20. 20.20% of 40 =
21. 21.25% of 220 =
22. 22.20% of 160 =
23. 23.50% of 540 =
24. 24.20% of 150 =
25. 25.50% of 140 =
26. 26.1% of 810 =
27. 27.10% of 240 =
28. 28.10% of 250 =
29. 29.50% of 360 =
30. 30.15% of 440 =
31. 31.25% of 890 =
32. 32.5% of 790 =
33. 33.15% of 610 =
34. 34.5% of 130 =
35. 35.10% of 780 =
36. 36.5% of 120 =
37. 37.50% of 860 =
38. 38.10% of 290 =
39. 39.5% of 620 =
40. 40.15% of 470 =

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