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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 129 · 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. 1.0.63 × 3.5 =
  2. 2.1.1 × 3.2 =
  3. 3.0.8 × 3.7 =
  4. 4.4.3 × 3.1 =
  5. 5.0.45 × 1.2 =
  6. 6.5.9 × 0.3 =
  7. 7.0.97 × 2.9 =
  8. 8.3.1 × 0.12 =
  9. 9.0.67 × 0.7 =
  10. 10.0.33 × 2.1 =
  11. 11.0.43 × 2.7 =
  12. 12.0.3 × 0.34 =
  13. 13.0.22 × 2.1 =
  14. 14.0.07 × 1.9 =
  15. 15.0.11 × 1.1 =
  16. 16.0.34 × 2.8 =
  17. 17.0.04 × 3.2 =
  18. 18.6.1 × 0.02 =
  19. 19.0.33 × 3.1 =
  20. 20.3.1 × 0.21 =
  21. 21.8.8 × 3.1 =
  22. 22.3.2 × 2.5 =
  23. 23.0.04 × 1.1 =
  24. 24.0.73 × 3.7 =
  25. 25.0.09 × 1.1 =
  26. 26.0.22 × 0.3 =
  27. 27.4.8 × 0.07 =
  28. 28.0.61 × 3.2 =
  29. 29.2.4 × 2.7 =
  30. 30.0.39 × 0.4 =
  31. 31.0.87 × 2.8 =
  32. 32.0.12 × 3.5 =
  33. 33.0.93 × 1.6 =
  34. 34.0.79 × 3.9 =
  35. 35.0.02 × 1.2 =
  36. 36.0.21 × 1.8 =
  37. 37.5.6 × 0.17 =
  38. 38.2.9 × 0.05 =
  39. 39.5.2 × 0.32 =
  40. 40.0.03 × 2.1 =

Answer key

  1. 2.205
  2. 3.52
  3. 2.96
  4. 13.33
  5. 0.54
  6. 1.77
  7. 2.813
  8. 0.372
  9. 0.469
  10. 0.693
  11. 1.161
  12. 0.102
  13. 0.462
  14. 0.133
  15. 0.121
  16. 0.952
  17. 0.128
  18. 0.122
  19. 1.023
  20. 0.651
  21. 27.28
  22. 8
  23. 0.044
  24. 2.701
  25. 0.099
  26. 0.066
  27. 0.336
  28. 1.952
  29. 6.48
  30. 0.156
  31. 2.436
  32. 0.42
  33. 1.488
  34. 3.081
  35. 0.024
  36. 0.378
  37. 0.952
  38. 0.145
  39. 1.664
  40. 0.063

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