← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 474 · 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. 1.29 × 4 =
  2. 2.4 + 6 + 8 + 3 =
  3. 3.675 ÷ 5 =
  4. 4.14 × 11 =
  5. 5.186 + 79 =
  6. 6.363 − 57 =
  7. 7.6 × 15 =
  8. 8.3 + 7 + 4 + 5 =
  9. 9.18 × 12 =
  10. 10.79² =
  11. 11.25% of 810 =
  12. 12.Best estimate of 71 × 69? (a) 4900 (b) 9800 (c) 490 (d) 49000
  13. 13.151 − 78 =
  14. 14.90 × 50 =
  15. 15.471 + 68 =
  16. 16.625 ÷ 25 =
  17. 17.365 + 68 =
  18. 18.140 ÷ 5 =
  19. 19.1100 ÷ 50 =
  20. 20.397 − 69 =
  21. 21.15% of 20 =
  22. 22.3 + 4 + 2 + 2 + 8 =
  23. 23.62 × 15 =
  24. 24.20% of 610 =
  25. 25.600 ÷ 50 =
  26. 26.59² =
  27. 27.2 + 7 + 6 + 6 + 4 =
  28. 28.₹50.50 − ₹32.10 =
  29. 29.87 + 36 + 16 + 12 =
  30. 30.474 + 37 =
  31. 31.87 × 5 =
  32. 32.29² =
  33. 33.19 × 14 =
  34. 34.94 × 5 =
  35. 35.56 × 8 =
  36. 36.13 × 4 =
  37. 37.81² =
  38. 38.10% of 260 =
  39. 39.50% of 340 =
  40. 40.10% of 240 =

Answer key

  1. 116
  2. 21
  3. 135
  4. 154
  5. 265
  6. 306
  7. 90
  8. 19
  9. 216
  10. 6241
  11. 202.5
  12. 4900
  13. 73
  14. 4500
  15. 539
  16. 25
  17. 433
  18. 28
  19. 22
  20. 328
  21. 3
  22. 19
  23. 930
  24. 122
  25. 12
  26. 3481
  27. 25
  28. 18.4
  29. 151
  30. 511
  31. 435
  32. 841
  33. 266
  34. 470
  35. 448
  36. 52
  37. 6561
  38. 26
  39. 170
  40. 24

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