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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 444 · 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.₹84.10 − ₹2.70 =
  2. 2.49² =
  3. 3.1% of 240 =
  4. 4.10% of 40 =
  5. 5.₹52.15 + ₹49.25 =
  6. 6.10% of 400 =
  7. 7.64 × 5 =
  8. 8.Best estimate of 92 × 29? (a) 5400 (b) 27000 (c) 2700 (d) 270
  9. 9.41 × 8 =
  10. 10.45 + 69 + 14 + 19 =
  11. 11.Check with nines: 303 + 181 = 484. Correct or wrong? (a) wrong (b) correct
  12. 12.₹43.90 − ₹7.55 =
  13. 13.233 − 28 =
  14. 14.₹43.25 − ₹40.10 =
  15. 15.385 + 28 =
  16. 16.588 − 47 =
  17. 17.₹33.90 − ₹8.50 =
  18. 18.62 × 5 =
  19. 19.113 + 49 =
  20. 20.174 + 58 =
  21. 21.430 + 68 =
  22. 22.8 + 2 + 4 + 6 =
  23. 23.600 ÷ 50 =
  24. 24.18 × 16 =
  25. 25.149 − 19 =
  26. 26.429 + 38 =
  27. 27.250 ÷ 25 =
  28. 28.19 × 13 =
  29. 29.Best estimate of 58 × 28? (a) 180 (b) 18000 (c) 3600 (d) 1800
  30. 30.Check with nines: 316 + 898 = 1213. Correct or wrong? (a) wrong (b) correct
  31. 31.7 × 15 =
  32. 32.18 × 15 =
  33. 33.29 + 97 =
  34. 34.15% of 690 =
  35. 35.305 − 69 =
  36. 36.2 + 8 + 2 + 4 + 9 =
  37. 37.57 × 15 =
  38. 38.₹52.40 + ₹43.55 =
  39. 39.₹65.10 − ₹44.35 =
  40. 40.11 × 14 =

Answer key

  1. 81.4
  2. 2401
  3. 2.4
  4. 4
  5. 101.4
  6. 40
  7. 320
  8. 2700
  9. 328
  10. 147
  11. correct
  12. 36.35
  13. 205
  14. 3.15
  15. 413
  16. 541
  17. 25.4
  18. 310
  19. 162
  20. 232
  21. 498
  22. 20
  23. 12
  24. 288
  25. 130
  26. 467
  27. 10
  28. 247
  29. 1800
  30. wrong
  31. 105
  32. 270
  33. 126
  34. 103.5
  35. 236
  36. 25
  37. 855
  38. 95.95
  39. 20.75
  40. 154

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