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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 9 · 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. 1.25 + 12 + 75 + 64 =
  2. 2.82 + 39 + 30 + 23 =
  3. 3.10% of 90 =
  4. 4.28 × 15 =
  5. 5.725 ÷ 25 =
  6. 6.74 × 8 =
  7. 7.112 × 4 =
  8. 8.5 + 9 + 1 + 5 =
  9. 9.306 − 87 =
  10. 10.15% of 800 =
  11. 11.5% of 360 =
  12. 12.49 × 50 =
  13. 13.1 + 7 + 2 + 9 =
  14. 14.48 + 64 + 65 + 59 =
  15. 15.₹37.90 + ₹13.35 =
  16. 16.₹50.25 + ₹23.05 =
  17. 17.455 ÷ 5 =
  18. 18.54 + 11 + 71 + 33 =
  19. 19.25% of 780 =
  20. 20.9 + 1 + 9 + 8 + 6 =
  21. 21.19² =
  22. 22.28 × 15 =
  23. 23.43 + 59 + 12 + 44 =
  24. 24.1650 ÷ 50 =
  25. 25.91² =
  26. 26.5% of 570 =
  27. 27.Best estimate of 298 × 9? (a) 2700 (b) 27000 (c) 270 (d) 5400
  28. 28.21² =
  29. 29.24 + 80 + 49 + 15 =
  30. 30.1 + 6 + 5 + 4 =
  31. 31.58 × 50 =
  32. 32.Check with nines: 50 × 76 = 3800. Correct or wrong? (a) wrong (b) correct
  33. 33.13 × 13 =
  34. 34.Check with nines: 444 + 137 = 581. Correct or wrong? (a) correct (b) wrong
  35. 35.113 + 67 =
  36. 36.25% of 170 =
  37. 37.10% of 50 =
  38. 38.₹85.80 + ₹38.45 =
  39. 39.5 + 5 + 1 + 9 =
  40. 40.61 × 50 =

Answer key

  1. 176
  2. 174
  3. 9
  4. 420
  5. 29
  6. 592
  7. 448
  8. 20
  9. 219
  10. 120
  11. 18
  12. 2450
  13. 19
  14. 236
  15. 51.25
  16. 73.3
  17. 91
  18. 169
  19. 195
  20. 33
  21. 361
  22. 420
  23. 158
  24. 33
  25. 8281
  26. 28.5
  27. 2700
  28. 441
  29. 168
  30. 16
  31. 2900
  32. correct
  33. 169
  34. correct
  35. 180
  36. 42.5
  37. 5
  38. 124.25
  39. 20
  40. 3050

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