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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 203 · 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. 1.205 − 28 =
  2. 2.49 + 75 + 43 + 29 =
  3. 3.730 ÷ 5 =
  4. 4.1 + 3 + 7 + 5 + 5 =
  5. 5.Best estimate of 29 × 21? (a) 6000 (b) 60 (c) 600 (d) 1200
  6. 6.Best estimate of 18 × 18? (a) 400 (b) 4000 (c) 40 (d) 800
  7. 7.₹24.85 + ₹48.20 =
  8. 8.86 + 78 =
  9. 9.28 × 50 =
  10. 10.78 × 5 =
  11. 11.1 + 4 + 1 + 6 =
  12. 12.80 + 55 + 55 + 88 =
  13. 13.500 − 16 =
  14. 14.161 + 18 =
  15. 15.84 + 31 + 34 + 11 =
  16. 16.2 + 7 + 9 + 1 + 3 =
  17. 17.12 × 15 =
  18. 18.2 + 8 + 6 + 5 =
  19. 19.540 ÷ 5 =
  20. 20.₹11.50 + ₹40.50 =
  21. 21.3 + 5 + 5 + 5 =
  22. 22.16 × 8 =
  23. 23.110 − 58 =
  24. 24.10% of 680 =
  25. 25.8 + 5 + 1 + 1 + 9 =
  26. 26.20 × 15 =
  27. 27.₹13.05 − ₹5.20 =
  28. 28.332 − 57 =
  29. 29.2 + 8 + 6 + 4 =
  30. 30.19 × 15 =
  31. 31.1175 ÷ 25 =
  32. 32.Best estimate of 498 × 8? (a) 40000 (b) 400 (c) 8000 (d) 4000
  33. 33.70 × 5 =
  34. 34.16 × 18 =
  35. 35.64 × 5 =
  36. 36.71² =
  37. 37.₹76.65 − ₹13.10 =
  38. 38.76 + 71 + 41 + 42 =
  39. 39.584 − 59 =
  40. 40.370 ÷ 5 =

Answer key

  1. 177
  2. 196
  3. 146
  4. 21
  5. 600
  6. 400
  7. 73.05
  8. 164
  9. 1400
  10. 390
  11. 12
  12. 278
  13. 484
  14. 179
  15. 160
  16. 22
  17. 180
  18. 21
  19. 108
  20. 52
  21. 18
  22. 128
  23. 52
  24. 68
  25. 24
  26. 300
  27. 7.85
  28. 275
  29. 20
  30. 285
  31. 47
  32. 4000
  33. 350
  34. 288
  35. 320
  36. 5041
  37. 63.55
  38. 230
  39. 525
  40. 74

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