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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 690 · 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. 1.7 + 3 + 7 + 1 + 8 =
  2. 2.27 × 8 =
  3. 3.11 × 12 =
  4. 4.13 × 16 =
  5. 5.134 + 87 =
  6. 6.31² =
  7. 7.Check with nines: 171 + 189 = 366. Correct or wrong? (a) wrong (b) correct
  8. 8.13 × 15 =
  9. 9.189 − 96 =
  10. 10.245 ÷ 5 =
  11. 11.49² =
  12. 12.50% of 280 =
  13. 13.₹30.85 − ₹20.65 =
  14. 14.31² =
  15. 15.6 + 4 + 4 + 6 + 6 =
  16. 16.Check with nines: 574 + 191 = 766. Correct or wrong? (a) correct (b) wrong
  17. 17.255 ÷ 5 =
  18. 18.5% of 260 =
  19. 19.133 + 79 =
  20. 20.15% of 100 =
  21. 21.Check with nines: 65 × 64 = 4167. Correct or wrong? (a) correct (b) wrong
  22. 22.81² =
  23. 23.₹35.35 − ₹7.05 =
  24. 24.2 + 2 + 8 + 2 =
  25. 25.Check with nines: 250 + 232 = 489. Correct or wrong? (a) correct (b) wrong
  26. 26.272 + 17 =
  27. 27.1400 ÷ 50 =
  28. 28.11 × 15 =
  29. 29.55 × 15 =
  30. 30.39 × 5 =
  31. 31.14 × 17 =
  32. 32.15 × 15 =
  33. 33.64 + 67 =
  34. 34.15% of 20 =
  35. 35.69² =
  36. 36.835 ÷ 5 =
  37. 37.10% of 440 =
  38. 38.45 × 15 =
  39. 39.200 ÷ 50 =
  40. 40.₹87.90 − ₹13.20 =

Answer key

  1. 26
  2. 216
  3. 132
  4. 208
  5. 221
  6. 961
  7. wrong
  8. 195
  9. 93
  10. 49
  11. 2401
  12. 140
  13. 10.2
  14. 961
  15. 26
  16. wrong
  17. 51
  18. 13
  19. 212
  20. 15
  21. wrong
  22. 6561
  23. 28.3
  24. 14
  25. wrong
  26. 289
  27. 28
  28. 165
  29. 825
  30. 195
  31. 238
  32. 225
  33. 131
  34. 3
  35. 4761
  36. 167
  37. 44
  38. 675
  39. 4
  40. 74.7

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