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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 235 · 40 questions
TalentJR

The fast method (Spot the trick): A 7, 8 or 9 in the ones place → round and fix. × 4, 8, 5, 50 or 15 → doubling or halving tricks. ÷ 5, 25 or 50 → double first. A percentage → start from 10%. Checking or estimating → nines or rounding.

NameDateTime takenScore ___ / 40
  1. 1.15% of 180 =
  2. 2.64 + 45 + 71 + 39 =
  3. 3.159 + 57 =
  4. 4.20% of 600 =
  5. 5.180 − 88 =
  6. 6.116 + 28 =
  7. 7.3 + 7 + 2 + 7 + 8 =
  8. 8.1 + 7 + 6 + 9 + 6 =
  9. 9.462 − 56 =
  10. 10.1100 ÷ 50 =
  11. 11.103 × 4 =
  12. 12.25% of 400 =
  13. 13.79² =
  14. 14.4 + 3 + 2 + 5 + 6 =
  15. 15.5% of 450 =
  16. 16.3 + 2 + 6 + 7 + 1 =
  17. 17.55 × 15 =
  18. 18.1025 ÷ 25 =
  19. 19.221 + 98 =
  20. 20.1 + 2 + 9 + 4 + 8 =
  21. 21.37 × 5 =
  22. 22.37 × 8 =
  23. 23.120 × 4 =
  24. 24.37 × 15 =
  25. 25.15% of 70 =
  26. 26.458 + 67 =
  27. 27.₹6.60 − ₹2.75 =
  28. 28.Best estimate of 697 × 7? (a) 49000 (b) 490 (c) 4900 (d) 9800
  29. 29.65 × 8 =
  30. 30.16 × 18 =
  31. 31.45 + 66 + 53 + 38 =
  32. 32.15 × 18 =
  33. 33.5% of 270 =
  34. 34.79² =
  35. 35.89² =
  36. 36.61² =
  37. 37.79² =
  38. 38.1 + 5 + 9 + 9 + 6 =
  39. 39.81² =
  40. 40.50% of 760 =

Answer key

  1. 27
  2. 219
  3. 216
  4. 120
  5. 92
  6. 144
  7. 27
  8. 29
  9. 406
  10. 22
  11. 412
  12. 100
  13. 6241
  14. 20
  15. 22.5
  16. 19
  17. 825
  18. 41
  19. 319
  20. 24
  21. 185
  22. 296
  23. 480
  24. 555
  25. 10.5
  26. 525
  27. 3.85
  28. 4900
  29. 520
  30. 288
  31. 202
  32. 270
  33. 13.5
  34. 6241
  35. 7921
  36. 3721
  37. 6241
  38. 30
  39. 6561
  40. 380

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