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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 826 · 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. 1.400 ÷ 5 =
  2. 2.8 + 8 + 7 + 2 + 2 =
  3. 3.24 × 15 =
  4. 4.10% of 260 =
  5. 5.77 + 70 + 17 + 59 =
  6. 6.₹48.20 − ₹17.70 =
  7. 7.25% of 40 =
  8. 8.12 × 18 =
  9. 9.474 − 28 =
  10. 10.3 + 9 + 1 + 9 =
  11. 11.366 − 27 =
  12. 12.4 + 6 + 9 + 8 + 2 =
  13. 13.Best estimate of 497 × 9? (a) 9000 (b) 45000 (c) 4500 (d) 450
  14. 14.Best estimate of 597 × 5? (a) 30000 (b) 6000 (c) 3000 (d) 300
  15. 15.109 + 27 =
  16. 16.167 − 17 =
  17. 17.197 + 99 =
  18. 18.40 + 17 =
  19. 19.502 − 47 =
  20. 20.23 × 50 =
  21. 21.₹10.15 + ₹10.15 =
  22. 22.3 + 2 + 6 + 8 =
  23. 23.₹97.55 − ₹5.05 =
  24. 24.69² =
  25. 25.430 ÷ 5 =
  26. 26.820 ÷ 5 =
  27. 27.₹31.95 − ₹29.85 =
  28. 28.63 × 8 =
  29. 29.22 × 4 =
  30. 30.15 × 12 =
  31. 31.1175 ÷ 25 =
  32. 32.133 − 68 =
  33. 33.187 + 57 =
  34. 34.94 × 4 =
  35. 35.68 × 50 =
  36. 36.4 + 7 + 1 + 2 + 9 =
  37. 37.Best estimate of 101 × 5? (a) 5000 (b) 50 (c) 500 (d) 1000
  38. 38.₹25.20 + ₹13.40 =
  39. 39.15% of 670 =
  40. 40.13 × 8 =

Answer key

  1. 80
  2. 27
  3. 360
  4. 26
  5. 223
  6. 30.5
  7. 10
  8. 216
  9. 446
  10. 22
  11. 339
  12. 29
  13. 4500
  14. 3000
  15. 136
  16. 150
  17. 296
  18. 57
  19. 455
  20. 1150
  21. 20.3
  22. 19
  23. 92.5
  24. 4761
  25. 86
  26. 164
  27. 2.1
  28. 504
  29. 88
  30. 180
  31. 47
  32. 65
  33. 244
  34. 376
  35. 3400
  36. 23
  37. 500
  38. 38.6
  39. 100.5
  40. 104

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