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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 318 · 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.₹41.55 − ₹10.35 =
  2. 2.95 × 5 =
  3. 3.₹80.25 − ₹3.60 =
  4. 4.15% of 270 =
  5. 5.5 + 8 + 2 + 5 =
  6. 6.9 + 5 + 1 + 1 =
  7. 7.1 + 3 + 4 + 7 =
  8. 8.1% of 720 =
  9. 9.18 × 13 =
  10. 10.Check with nines: 15 × 46 = 690. Correct or wrong? (a) correct (b) wrong
  11. 11.₹75.45 + ₹28.80 =
  12. 12.22 + 47 + 69 + 17 =
  13. 13.850 ÷ 50 =
  14. 14.12 × 19 =
  15. 15.480 ÷ 5 =
  16. 16.Check with nines: 78 × 96 = 7483. Correct or wrong? (a) correct (b) wrong
  17. 17.90 × 5 =
  18. 18.13 × 12 =
  19. 19.106 + 78 =
  20. 20.180 − 98 =
  21. 21.16 × 19 =
  22. 22.1850 ÷ 50 =
  23. 23.15% of 700 =
  24. 24.15% of 350 =
  25. 25.₹20.05 − ₹10.10 =
  26. 26.96 × 5 =
  27. 27.20% of 740 =
  28. 28.Check with nines: 68 × 74 = 5029. Correct or wrong? (a) correct (b) wrong
  29. 29.55 × 4 =
  30. 30.Check with nines: 24 × 95 = 2288. Correct or wrong? (a) correct (b) wrong
  31. 31.590 − 28 =
  32. 32.1850 ÷ 50 =
  33. 33.₹70.25 + ₹12.50 =
  34. 34.80 × 50 =
  35. 35.1 + 5 + 5 + 7 =
  36. 36.87 + 69 =
  37. 37.384 − 68 =
  38. 38.356 − 76 =
  39. 39.19² =
  40. 40.35 + 84 + 83 + 12 =

Answer key

  1. 31.2
  2. 475
  3. 76.65
  4. 40.5
  5. 20
  6. 16
  7. 15
  8. 7.2
  9. 234
  10. correct
  11. 104.25
  12. 155
  13. 17
  14. 228
  15. 96
  16. wrong
  17. 450
  18. 156
  19. 184
  20. 82
  21. 304
  22. 37
  23. 105
  24. 52.5
  25. 9.95
  26. 480
  27. 148
  28. wrong
  29. 220
  30. wrong
  31. 562
  32. 37
  33. 82.75
  34. 4000
  35. 18
  36. 156
  37. 316
  38. 280
  39. 361
  40. 214

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