← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 295 · 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. 1.61² =
  2. 2.306 + 47 =
  3. 3.14 × 8 =
  4. 4.3 + 5 + 5 + 2 =
  5. 5.79² =
  6. 6.59² =
  7. 7.32 × 5 =
  8. 8.178 + 17 =
  9. 9.₹86.05 + ₹41.30 =
  10. 10.25 × 15 =
  11. 11.67 × 8 =
  12. 12.15 × 19 =
  13. 13.530 − 96 =
  14. 14.11 × 16 =
  15. 15.42 + 19 + 54 + 86 =
  16. 16.Check with nines: 63 × 70 = 4410. Correct or wrong? (a) wrong (b) correct
  17. 17.81² =
  18. 18.54 × 5 =
  19. 19.900 ÷ 25 =
  20. 20.70 + 52 + 52 + 41 =
  21. 21.8 + 2 + 7 + 4 + 3 =
  22. 22.75 × 8 =
  23. 23.24 + 31 + 77 + 22 =
  24. 24.8 × 15 =
  25. 25.522 − 38 =
  26. 26.69² =
  27. 27.47 × 50 =
  28. 28.122 − 89 =
  29. 29.57 × 15 =
  30. 30.Check with nines: 832 + 567 = 1399. Correct or wrong? (a) correct (b) wrong
  31. 31.₹39.75 + ₹35.35 =
  32. 32.₹23.05 + ₹19.05 =
  33. 33.14 × 17 =
  34. 34.302 + 59 =
  35. 35.43 × 5 =
  36. 36.54 × 4 =
  37. 37.39² =
  38. 38.81 × 4 =
  39. 39.850 ÷ 50 =
  40. 40.21 + 60 + 45 + 70 =

Answer key

  1. 3721
  2. 353
  3. 112
  4. 15
  5. 6241
  6. 3481
  7. 160
  8. 195
  9. 127.35
  10. 375
  11. 536
  12. 285
  13. 434
  14. 176
  15. 201
  16. correct
  17. 6561
  18. 270
  19. 36
  20. 215
  21. 24
  22. 600
  23. 154
  24. 120
  25. 484
  26. 4761
  27. 2350
  28. 33
  29. 855
  30. correct
  31. 75.1
  32. 42.1
  33. 238
  34. 361
  35. 215
  36. 216
  37. 1521
  38. 324
  39. 17
  40. 196

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths