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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 342 · 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.₹50.70 − ₹7.20 =
  2. 2.74 + 89 =
  3. 3.49 × 15 =
  4. 4.153 + 47 =
  5. 5.85 + 24 + 29 + 65 =
  6. 6.164 + 37 =
  7. 7.463 + 29 =
  8. 8.33 + 29 + 45 + 29 =
  9. 9.57 × 8 =
  10. 10.₹14.65 + ₹15.15 =
  11. 11.47 × 5 =
  12. 12.97 − 39 =
  13. 13.₹24.95 + ₹38.45 =
  14. 14.1700 ÷ 50 =
  15. 15.14 × 18 =
  16. 16.13 × 14 =
  17. 17.29² =
  18. 18.488 − 49 =
  19. 19.34 + 86 + 46 + 26 =
  20. 20.116 + 57 =
  21. 21.175 ÷ 25 =
  22. 22.5% of 840 =
  23. 23.₹64.75 + ₹2.75 =
  24. 24.173 + 38 =
  25. 25.49 + 19 =
  26. 26.5 + 4 + 3 + 7 + 9 =
  27. 27.35 × 50 =
  28. 28.1150 ÷ 25 =
  29. 29.50 × 8 =
  30. 30.63 × 8 =
  31. 31.25 + 19 + 60 + 31 =
  32. 32.26 × 15 =
  33. 33.₹47.65 − ₹19.95 =
  34. 34.81² =
  35. 35.₹90.50 − ₹2.65 =
  36. 36.8 + 8 + 2 + 3 =
  37. 37.45 × 8 =
  38. 38.960 ÷ 5 =
  39. 39.8 × 15 =
  40. 40.Check with nines: 92 × 39 = 3594. Correct or wrong? (a) wrong (b) correct

Answer key

  1. 43.5
  2. 163
  3. 735
  4. 200
  5. 203
  6. 201
  7. 492
  8. 136
  9. 456
  10. 29.8
  11. 235
  12. 58
  13. 63.4
  14. 34
  15. 252
  16. 182
  17. 841
  18. 439
  19. 192
  20. 173
  21. 7
  22. 42
  23. 67.5
  24. 211
  25. 68
  26. 28
  27. 1750
  28. 46
  29. 400
  30. 504
  31. 135
  32. 390
  33. 27.7
  34. 6561
  35. 87.85
  36. 21
  37. 360
  38. 192
  39. 120
  40. wrong

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