← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 24 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.3.7 × 2.1 =
  2. 2.0.46 × 3.1 =
  3. 3.0.41 × 3.4 =
  4. 4.0.5 × 1.5 =
  5. 5.5.4 × 0.21 =
  6. 6.0.44 × 1.1 =
  7. 7.2.7 × 0.12 =
  8. 8.0.21 × 0.7 =
  9. 9.2.2 × 0.24 =
  10. 10.5.3 × 0.25 =
  11. 11.3.3 × 0.09 =
  12. 12.3.1 × 0.21 =
  13. 13.0.67 × 1.3 =
  14. 14.4.9 × 2.1 =
  15. 15.0.45 × 2.3 =
  16. 16.6.3 × 0.06 =
  17. 17.2.1 × 1.3 =
  18. 18.0.94 × 1.2 =
  19. 19.0.67 × 0.6 =
  20. 20.0.08 × 3.1 =
  21. 21.0.14 × 3.7 =
  22. 22.0.8 × 2.5 =
  23. 23.0.22 × 0.9 =
  24. 24.0.23 × 3.1 =
  25. 25.0.63 × 2.9 =
  26. 26.6.3 × 0.32 =
  27. 27.1.1 × 0.9 =
  28. 28.0.93 × 1.4 =
  29. 29.7.7 × 0.2 =
  30. 30.0.07 × 0.8 =
  31. 31.0.16 × 0.7 =
  32. 32.7.4 × 2.9 =
  33. 33.0.71 × 2.6 =
  34. 34.3.2 × 1.1 =
  35. 35.4.9 × 1.9 =
  36. 36.0.8 × 0.37 =
  37. 37.1.7 × 0.4 =
  38. 38.2.3 × 0.13 =
  39. 39.0.77 × 2.4 =
  40. 40.0.91 × 2.8 =

Answer key

  1. 7.77
  2. 1.426
  3. 1.394
  4. 0.75
  5. 1.134
  6. 0.484
  7. 0.324
  8. 0.147
  9. 0.528
  10. 1.325
  11. 0.297
  12. 0.651
  13. 0.871
  14. 10.29
  15. 1.035
  16. 0.378
  17. 2.73
  18. 1.128
  19. 0.402
  20. 0.248
  21. 0.518
  22. 2
  23. 0.198
  24. 0.713
  25. 1.827
  26. 2.016
  27. 0.99
  28. 1.302
  29. 1.54
  30. 0.056
  31. 0.112
  32. 21.46
  33. 1.846
  34. 3.52
  35. 9.31
  36. 0.296
  37. 0.68
  38. 0.299
  39. 1.848
  40. 2.548

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