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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 741 · 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. 1.17 × 17 =
  2. 2.75 + 53 + 37 + 77 =
  3. 3.43 × 15 =
  4. 4.59² =
  5. 5.510 − 47 =
  6. 6.695 ÷ 5 =
  7. 7.920 ÷ 5 =
  8. 8.79 × 5 =
  9. 9.434 − 57 =
  10. 10.29² =
  11. 11.₹35.30 + ₹49.80 =
  12. 12.1600 ÷ 50 =
  13. 13.11 × 12 =
  14. 14.235 ÷ 5 =
  15. 15.50% of 160 =
  16. 16.15% of 590 =
  17. 17.35 + 53 + 86 + 34 =
  18. 18.490 + 78 =
  19. 19.129 + 89 =
  20. 20.16 × 5 =
  21. 21.305 ÷ 5 =
  22. 22.825 ÷ 5 =
  23. 23.12 + 20 + 69 + 21 =
  24. 24.11 × 14 =
  25. 25.₹77.90 − ₹18.75 =
  26. 26.50% of 280 =
  27. 27.Best estimate of 699 × 6? (a) 42000 (b) 4200 (c) 8400 (d) 420
  28. 28.600 ÷ 50 =
  29. 29.₹42.65 − ₹11.05 =
  30. 30.220 ÷ 5 =
  31. 31.10% of 700 =
  32. 32.₹51.60 + ₹41.10 =
  33. 33.1500 ÷ 50 =
  34. 34.30 × 50 =
  35. 35.₹56.40 + ₹32.55 =
  36. 36.₹77.75 − ₹26.55 =
  37. 37.Best estimate of 48 × 81? (a) 8000 (b) 400 (c) 4000 (d) 40000
  38. 38.3 + 8 + 3 + 7 =
  39. 39.Best estimate of 38 × 32? (a) 120 (b) 1200 (c) 12000 (d) 2400
  40. 40.Best estimate of 697 × 9? (a) 12600 (b) 63000 (c) 6300 (d) 630

Answer key

  1. 289
  2. 242
  3. 645
  4. 3481
  5. 463
  6. 139
  7. 184
  8. 395
  9. 377
  10. 841
  11. 85.1
  12. 32
  13. 132
  14. 47
  15. 80
  16. 88.5
  17. 208
  18. 568
  19. 218
  20. 80
  21. 61
  22. 165
  23. 122
  24. 154
  25. 59.15
  26. 140
  27. 4200
  28. 12
  29. 31.6
  30. 44
  31. 70
  32. 92.7
  33. 30
  34. 1500
  35. 88.95
  36. 51.2
  37. 4000
  38. 21
  39. 1200
  40. 6300

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