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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 716 · 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. 1.0.06 × 1.3 =
  2. 2.0.13 × 3.1 =
  3. 3.0.29 × 0.3 =
  4. 4.8.9 × 0.6 =
  5. 5.0.6 × 0.5 =
  6. 6.0.93 × 0.8 =
  7. 7.0.81 × 0.4 =
  8. 8.0.31 × 1.4 =
  9. 9.0.91 × 1.9 =
  10. 10.8.1 × 0.38 =
  11. 11.8.6 × 2.9 =
  12. 12.0.15 × 3.8 =
  13. 13.0.73 × 1.1 =
  14. 14.0.86 × 2.1 =
  15. 15.7.8 × 1.9 =
  16. 16.2.1 × 0.03 =
  17. 17.0.33 × 1.1 =
  18. 18.5.1 × 0.09 =
  19. 19.0.58 × 0.6 =
  20. 20.1.3 × 0.03 =
  21. 21.8.7 × 0.08 =
  22. 22.0.19 × 1.2 =
  23. 23.4.9 × 0.31 =
  24. 24.0.35 × 1.1 =
  25. 25.0.46 × 1.5 =
  26. 26.0.93 × 1.8 =
  27. 27.3.1 × 3.3 =
  28. 28.0.88 × 1.9 =
  29. 29.0.39 × 3.2 =
  30. 30.0.61 × 0.9 =
  31. 31.9.5 × 3.1 =
  32. 32.6.7 × 0.18 =
  33. 33.0.39 × 2.4 =
  34. 34.0.31 × 2.1 =
  35. 35.3.1 × 3.8 =
  36. 36.0.4 × 3.3 =
  37. 37.0.7 × 0.9 =
  38. 38.0.96 × 3.6 =
  39. 39.0.31 × 1.6 =
  40. 40.0.62 × 2.3 =

Answer key

  1. 0.078
  2. 0.403
  3. 0.087
  4. 5.34
  5. 0.3
  6. 0.744
  7. 0.324
  8. 0.434
  9. 1.729
  10. 3.078
  11. 24.94
  12. 0.57
  13. 0.803
  14. 1.806
  15. 14.82
  16. 0.063
  17. 0.363
  18. 0.459
  19. 0.348
  20. 0.039
  21. 0.696
  22. 0.228
  23. 1.519
  24. 0.385
  25. 0.69
  26. 1.674
  27. 10.23
  28. 1.672
  29. 1.248
  30. 0.549
  31. 29.45
  32. 1.206
  33. 0.936
  34. 0.651
  35. 11.78
  36. 1.32
  37. 0.63
  38. 3.456
  39. 0.496
  40. 1.426

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