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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 364 · 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. 1.9 + 3 + 7 + 2 + 8 =
  2. 2.15 × 11 =
  3. 3.200 − 79 =
  4. 4.77 + 87 + 47 + 11 =
  5. 5.59² =
  6. 6.400 ÷ 25 =
  7. 7.62 × 15 =
  8. 8.385 + 97 =
  9. 9.34 × 5 =
  10. 10.200 ÷ 50 =
  11. 11.150 ÷ 25 =
  12. 12.38 + 39 + 16 + 57 =
  13. 13.15% of 700 =
  14. 14.29² =
  15. 15.429 − 19 =
  16. 16.65 + 48 + 73 + 56 =
  17. 17.Best estimate of 39 × 59? (a) 240 (b) 24000 (c) 4800 (d) 2400
  18. 18.25% of 230 =
  19. 19.3 + 2 + 3 + 7 + 2 =
  20. 20.89² =
  21. 21.124 + 19 =
  22. 22.585 ÷ 5 =
  23. 23.533 − 87 =
  24. 24.44 + 16 + 48 + 36 =
  25. 25.71 × 5 =
  26. 26.85 × 4 =
  27. 27.15 × 17 =
  28. 28.₹8.40 + ₹6.05 =
  29. 29.4 + 9 + 6 + 3 + 8 =
  30. 30.₹55.25 + ₹35.85 =
  31. 31.₹82.60 + ₹19.25 =
  32. 32.33 × 5 =
  33. 33.₹58.25 + ₹35.30 =
  34. 34.91² =
  35. 35.25% of 790 =
  36. 36.58 × 8 =
  37. 37.50 + 19 + 22 + 65 =
  38. 38.975 ÷ 5 =
  39. 39.299 + 38 =
  40. 40.14 × 14 =

Answer key

  1. 29
  2. 165
  3. 121
  4. 222
  5. 3481
  6. 16
  7. 930
  8. 482
  9. 170
  10. 4
  11. 6
  12. 150
  13. 105
  14. 841
  15. 410
  16. 242
  17. 2400
  18. 57.5
  19. 17
  20. 7921
  21. 143
  22. 117
  23. 446
  24. 144
  25. 355
  26. 340
  27. 255
  28. 14.45
  29. 30
  30. 91.1
  31. 101.85
  32. 165
  33. 93.55
  34. 8281
  35. 197.5
  36. 464
  37. 156
  38. 195
  39. 337
  40. 196

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