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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 208 · 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. 1.2.3 × 0.33 =
  2. 2.0.26 × 0.9 =
  3. 3.9.5 × 0.36 =
  4. 4.0.13 × 2.9 =
  5. 5.6.8 × 0.02 =
  6. 6.2.1 × 1.7 =
  7. 7.0.26 × 0.3 =
  8. 8.4.8 × 0.05 =
  9. 9.3.6 × 0.15 =
  10. 10.0.59 × 3.7 =
  11. 11.5.8 × 0.12 =
  12. 12.0.14 × 1.7 =
  13. 13.5.1 × 2.7 =
  14. 14.0.85 × 0.6 =
  15. 15.0.15 × 2.9 =
  16. 16.7.3 × 0.18 =
  17. 17.3.5 × 1.2 =
  18. 18.4.2 × 0.11 =
  19. 19.0.69 × 3.3 =
  20. 20.5.8 × 3.2 =
  21. 21.0.67 × 3.5 =
  22. 22.0.38 × 2.9 =
  23. 23.0.31 × 1.9 =
  24. 24.5.6 × 0.7 =
  25. 25.0.16 × 0.8 =
  26. 26.0.44 × 1.7 =
  27. 27.0.93 × 1.1 =
  28. 28.0.66 × 2.4 =
  29. 29.5.3 × 0.26 =
  30. 30.0.56 × 2.9 =
  31. 31.4.4 × 0.3 =
  32. 32.0.81 × 2.8 =
  33. 33.0.99 × 2.1 =
  34. 34.0.2 × 2.4 =
  35. 35.0.56 × 1.1 =
  36. 36.9.1 × 3.6 =
  37. 37.7.1 × 0.17 =
  38. 38.6.7 × 0.8 =
  39. 39.0.18 × 3.3 =
  40. 40.2.8 × 3.3 =

Answer key

  1. 0.759
  2. 0.234
  3. 3.42
  4. 0.377
  5. 0.136
  6. 3.57
  7. 0.078
  8. 0.24
  9. 0.54
  10. 2.183
  11. 0.696
  12. 0.238
  13. 13.77
  14. 0.51
  15. 0.435
  16. 1.314
  17. 4.2
  18. 0.462
  19. 2.277
  20. 18.56
  21. 2.345
  22. 1.102
  23. 0.589
  24. 3.92
  25. 0.128
  26. 0.748
  27. 1.023
  28. 1.584
  29. 1.378
  30. 1.624
  31. 1.32
  32. 2.268
  33. 2.079
  34. 0.48
  35. 0.616
  36. 32.76
  37. 1.207
  38. 5.36
  39. 0.594
  40. 9.24

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