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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 689 · 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. 1.10% of 850 =
  2. 2.19 × 12 =
  3. 3.₹34.80 − ₹6.15 =
  4. 4.22 × 8 =
  5. 5.₹52.55 − ₹14.75 =
  6. 6.Check with nines: 24 × 58 = 1387. Correct or wrong? (a) wrong (b) correct
  7. 7.196 − 36 =
  8. 8.625 ÷ 25 =
  9. 9.23 × 8 =
  10. 10.112 × 4 =
  11. 11.13 × 15 =
  12. 12.313 − 67 =
  13. 13.3 + 6 + 4 + 8 + 7 =
  14. 14.₹36.55 + ₹41.70 =
  15. 15.150 ÷ 50 =
  16. 16.75 × 8 =
  17. 17.Best estimate of 61 × 49? (a) 30000 (b) 300 (c) 6000 (d) 3000
  18. 18.₹77.15 + ₹27.20 =
  19. 19.2 + 1 + 5 + 5 =
  20. 20.Best estimate of 102 × 9? (a) 1800 (b) 900 (c) 9000 (d) 90
  21. 21.249 − 98 =
  22. 22.261 − 18 =
  23. 23.227 + 69 =
  24. 24.85 × 50 =
  25. 25.400 + 67 =
  26. 26.283 + 38 =
  27. 27.64 × 5 =
  28. 28.38 × 4 =
  29. 29.₹19.50 − ₹5.65 =
  30. 30.96 × 5 =
  31. 31.25 × 5 =
  32. 32.59 × 15 =
  33. 33.15% of 620 =
  34. 34.Check with nines: 49 × 72 = 3521. Correct or wrong? (a) wrong (b) correct
  35. 35.72 × 8 =
  36. 36.440 − 66 =
  37. 37.59 × 15 =
  38. 38.44 × 15 =
  39. 39.₹33.55 + ₹23.20 =
  40. 40.20% of 750 =

Answer key

  1. 85
  2. 228
  3. 28.65
  4. 176
  5. 37.8
  6. wrong
  7. 160
  8. 25
  9. 184
  10. 448
  11. 195
  12. 246
  13. 28
  14. 78.25
  15. 3
  16. 600
  17. 3000
  18. 104.35
  19. 13
  20. 900
  21. 151
  22. 243
  23. 296
  24. 4250
  25. 467
  26. 321
  27. 320
  28. 152
  29. 13.85
  30. 480
  31. 125
  32. 885
  33. 93
  34. wrong
  35. 576
  36. 374
  37. 885
  38. 660
  39. 56.75
  40. 150

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