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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 333 · 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. 1.13 + 80 + 34 + 81 =
  2. 2.88 × 5 =
  3. 3.Best estimate of 498 × 4? (a) 4000 (b) 2000 (c) 200 (d) 20000
  4. 4.36 × 8 =
  5. 5.975 ÷ 25 =
  6. 6.575 ÷ 25 =
  7. 7.31² =
  8. 8.126 × 4 =
  9. 9.385 + 18 =
  10. 10.Best estimate of 48 × 29? (a) 150 (b) 3000 (c) 15000 (d) 1500
  11. 11.13 × 17 =
  12. 12.69 + 79 =
  13. 13.29 × 4 =
  14. 14.22 + 16 + 24 + 30 =
  15. 15.85 ÷ 5 =
  16. 16.Best estimate of 597 × 6? (a) 36000 (b) 7200 (c) 360 (d) 3600
  17. 17.43 × 15 =
  18. 18.865 ÷ 5 =
  19. 19.18 × 15 =
  20. 20.₹75.50 − ₹44.05 =
  21. 21.465 ÷ 5 =
  22. 22.87 × 50 =
  23. 23.158 × 4 =
  24. 24.48 + 47 =
  25. 25.16 × 8 =
  26. 26.598 − 69 =
  27. 27.79² =
  28. 28.₹21.70 − ₹9.55 =
  29. 29.17 × 12 =
  30. 30.525 ÷ 25 =
  31. 31.76 × 50 =
  32. 32.Best estimate of 697 × 4? (a) 5600 (b) 28000 (c) 280 (d) 2800
  33. 33.19 × 15 =
  34. 34.₹45.55 − ₹13.75 =
  35. 35.119 − 46 =
  36. 36.5% of 180 =
  37. 37.42 + 28 =
  38. 38.7 + 1 + 5 + 3 =
  39. 39.22 × 8 =
  40. 40.600 ÷ 50 =

Answer key

  1. 208
  2. 440
  3. 2000
  4. 288
  5. 39
  6. 23
  7. 961
  8. 504
  9. 403
  10. 1500
  11. 221
  12. 148
  13. 116
  14. 92
  15. 17
  16. 3600
  17. 645
  18. 173
  19. 270
  20. 31.45
  21. 93
  22. 4350
  23. 632
  24. 95
  25. 128
  26. 529
  27. 6241
  28. 12.15
  29. 204
  30. 21
  31. 3800
  32. 2800
  33. 285
  34. 31.8
  35. 73
  36. 9
  37. 70
  38. 16
  39. 176
  40. 12

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