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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 599 · 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. 1.42 × 5 =
  2. 2.22 × 15 =
  3. 3.274 + 47 =
  4. 4.10% of 600 =
  5. 5.52 × 15 =
  6. 6.1% of 200 =
  7. 7.85 + 14 + 44 + 79 =
  8. 8.31 × 15 =
  9. 9.₹9.30 − ₹7.15 =
  10. 10.25 × 5 =
  11. 11.3 + 8 + 1 + 7 =
  12. 12.14 × 16 =
  13. 13.Check with nines: 222 + 691 = 913. Correct or wrong? (a) correct (b) wrong
  14. 14.₹99.70 − ₹42.15 =
  15. 15.₹11.55 − ₹2.15 =
  16. 16.150 + 47 =
  17. 17.40 × 15 =
  18. 18.5% of 210 =
  19. 19.475 ÷ 25 =
  20. 20.5 + 5 + 9 + 1 + 5 =
  21. 21.Best estimate of 58 × 29? (a) 3600 (b) 1800 (c) 18000 (d) 180
  22. 22.18 × 17 =
  23. 23.₹29.45 + ₹12.25 =
  24. 24.15% of 330 =
  25. 25.355 + 38 =
  26. 26.10% of 520 =
  27. 27.56 × 5 =
  28. 28.339 + 59 =
  29. 29.1% of 270 =
  30. 30.3 + 6 + 2 + 8 =
  31. 31.9 + 2 + 1 + 9 =
  32. 32.75 × 8 =
  33. 33.62 × 15 =
  34. 34.14 × 12 =
  35. 35.14 + 84 + 22 + 27 =
  36. 36.15 × 19 =
  37. 37.7 + 3 + 3 + 6 + 6 =
  38. 38.96 + 77 =
  39. 39.₹41.90 − ₹24.25 =
  40. 40.14 × 19 =

Answer key

  1. 210
  2. 330
  3. 321
  4. 60
  5. 780
  6. 2
  7. 222
  8. 465
  9. 2.15
  10. 125
  11. 19
  12. 224
  13. correct
  14. 57.55
  15. 9.4
  16. 197
  17. 600
  18. 10.5
  19. 19
  20. 25
  21. 1800
  22. 306
  23. 41.7
  24. 49.5
  25. 393
  26. 52
  27. 280
  28. 398
  29. 2.7
  30. 19
  31. 21
  32. 600
  33. 930
  34. 168
  35. 147
  36. 285
  37. 25
  38. 173
  39. 17.65
  40. 266

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