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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 101 · 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. 1.335 ÷ 5 =
  2. 2.Check with nines: 45 × 45 = 2025. Correct or wrong? (a) correct (b) wrong
  3. 3.16 × 13 =
  4. 4.50% of 690 =
  5. 5.209 − 46 =
  6. 6.14 × 11 =
  7. 7.52 × 4 =
  8. 8.51² =
  9. 9.373 − 46 =
  10. 10.104 + 57 =
  11. 11.151 + 39 =
  12. 12.43 × 8 =
  13. 13.274 − 86 =
  14. 14.Best estimate of 901 × 7? (a) 12600 (b) 630 (c) 63000 (d) 6300
  15. 15.242 − 38 =
  16. 16.770 ÷ 5 =
  17. 17.483 + 27 =
  18. 18.16 × 17 =
  19. 19.₹20.70 + ₹9.10 =
  20. 20.41 + 54 + 67 + 22 =
  21. 21.10% of 80 =
  22. 22.429 + 88 =
  23. 23.192 + 79 =
  24. 24.5 + 5 + 3 + 5 =
  25. 25.71 × 8 =
  26. 26.61² =
  27. 27.11 × 11 =
  28. 28.31² =
  29. 29.₹80.45 + ₹30.10 =
  30. 30.2 + 3 + 7 + 4 =
  31. 31.2 + 1 + 6 + 1 + 8 =
  32. 32.Best estimate of 501 × 3? (a) 3000 (b) 150 (c) 15000 (d) 1500
  33. 33.14 × 15 =
  34. 34.Best estimate of 92 × 58? (a) 5400 (b) 10800 (c) 54000 (d) 540
  35. 35.243 + 17 =
  36. 36.5% of 600 =
  37. 37.1375 ÷ 25 =
  38. 38.550 ÷ 50 =
  39. 39.72 + 87 + 21 + 89 =
  40. 40.428 − 67 =

Answer key

  1. 67
  2. correct
  3. 208
  4. 345
  5. 163
  6. 154
  7. 208
  8. 2601
  9. 327
  10. 161
  11. 190
  12. 344
  13. 188
  14. 6300
  15. 204
  16. 154
  17. 510
  18. 272
  19. 29.8
  20. 184
  21. 8
  22. 517
  23. 271
  24. 18
  25. 568
  26. 3721
  27. 121
  28. 961
  29. 110.55
  30. 16
  31. 18
  32. 1500
  33. 210
  34. 5400
  35. 260
  36. 30
  37. 55
  38. 11
  39. 269
  40. 361

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