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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 453 · 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. 1.53 × 15 =
  2. 2.41² =
  3. 3.₹66.75 + ₹6.20 =
  4. 4.1% of 760 =
  5. 5.231 + 37 =
  6. 6.157 × 4 =
  7. 7.278 + 18 =
  8. 8.1 + 2 + 9 + 8 =
  9. 9.1100 ÷ 50 =
  10. 10.13 × 4 =
  11. 11.7 + 1 + 2 + 8 + 4 =
  12. 12.1% of 370 =
  13. 13.11 × 19 =
  14. 14.208 − 89 =
  15. 15.890 ÷ 5 =
  16. 16.350 ÷ 5 =
  17. 17.₹63.50 − ₹47.60 =
  18. 18.1% of 310 =
  19. 19.274 − 47 =
  20. 20.25 + 67 =
  21. 21.7 + 4 + 2 + 6 =
  22. 22.110 + 37 =
  23. 23.34 × 15 =
  24. 24.15% of 90 =
  25. 25.₹85.55 − ₹12.85 =
  26. 26.25 × 15 =
  27. 27.86 + 89 + 17 + 35 =
  28. 28.9 + 1 + 7 + 5 =
  29. 29.300 ÷ 25 =
  30. 30.71² =
  31. 31.76 × 50 =
  32. 32.₹14.95 − ₹13.35 =
  33. 33.250 ÷ 50 =
  34. 34.20% of 210 =
  35. 35.229 + 87 =
  36. 36.354 − 88 =
  37. 37.800 ÷ 25 =
  38. 38.229 − 58 =
  39. 39.310 − 69 =
  40. 40.38 × 8 =

Answer key

  1. 795
  2. 1681
  3. 72.95
  4. 7.6
  5. 268
  6. 628
  7. 296
  8. 20
  9. 22
  10. 52
  11. 22
  12. 3.7
  13. 209
  14. 119
  15. 178
  16. 70
  17. 15.9
  18. 3.1
  19. 227
  20. 92
  21. 19
  22. 147
  23. 510
  24. 13.5
  25. 72.7
  26. 375
  27. 227
  28. 22
  29. 12
  30. 5041
  31. 3800
  32. 1.6
  33. 5
  34. 42
  35. 316
  36. 266
  37. 32
  38. 171
  39. 241
  40. 304

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