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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 149 · 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% of 400 =
  2. 2.14 × 17 =
  3. 3.14 × 17 =
  4. 4.33 × 15 =
  5. 5.₹87.30 − ₹38.20 =
  6. 6.160 × 4 =
  7. 7.10% of 680 =
  8. 8.25 + 59 + 82 + 29 =
  9. 9.450 ÷ 25 =
  10. 10.465 − 96 =
  11. 11.₹18.15 + ₹16.85 =
  12. 12.93 − 37 =
  13. 13.Check with nines: 96 × 34 = 3265. Correct or wrong? (a) wrong (b) correct
  14. 14.Best estimate of 199 × 5? (a) 10000 (b) 100 (c) 2000 (d) 1000
  15. 15.31² =
  16. 16.430 + 88 =
  17. 17.210 ÷ 5 =
  18. 18.565 ÷ 5 =
  19. 19.306 − 97 =
  20. 20.203 − 37 =
  21. 21.89² =
  22. 22.116 + 67 =
  23. 23.950 ÷ 50 =
  24. 24.153 × 4 =
  25. 25.135 − 89 =
  26. 26.451 + 27 =
  27. 27.₹32.15 + ₹2.35 =
  28. 28.200 ÷ 50 =
  29. 29.384 − 19 =
  30. 30.485 − 48 =
  31. 31.₹73.20 − ₹47.20 =
  32. 32.₹10.05 + ₹4.20 =
  33. 33.20% of 520 =
  34. 34.27 + 16 + 87 + 19 =
  35. 35.6 + 5 + 5 + 4 + 5 =
  36. 36.263 + 19 =
  37. 37.47 × 50 =
  38. 38.10% of 720 =
  39. 39.382 + 77 =
  40. 40.Check with nines: 83 × 24 = 1999. Correct or wrong? (a) wrong (b) correct

Answer key

  1. 200
  2. 238
  3. 238
  4. 495
  5. 49.1
  6. 640
  7. 68
  8. 195
  9. 18
  10. 369
  11. 35
  12. 56
  13. wrong
  14. 1000
  15. 961
  16. 518
  17. 42
  18. 113
  19. 209
  20. 166
  21. 7921
  22. 183
  23. 19
  24. 612
  25. 46
  26. 478
  27. 34.5
  28. 4
  29. 365
  30. 437
  31. 26
  32. 14.25
  33. 104
  34. 149
  35. 25
  36. 282
  37. 2350
  38. 72
  39. 459
  40. wrong

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