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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 961 · 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. 1.0.21 × 3.1 =
  2. 2.0.97 × 2.2 =
  3. 3.0.32 × 3.1 =
  4. 4.0.45 × 1.8 =
  5. 5.5.1 × 1.1 =
  6. 6.0.12 × 1.2 =
  7. 7.0.96 × 1.5 =
  8. 8.9.1 × 0.19 =
  9. 9.0.94 × 2.9 =
  10. 10.8.1 × 2.2 =
  11. 11.2.6 × 0.27 =
  12. 12.0.05 × 3.4 =
  13. 13.9.2 × 0.23 =
  14. 14.0.07 × 1.1 =
  15. 15.0.55 × 3.6 =
  16. 16.0.91 × 2.6 =
  17. 17.9.8 × 0.16 =
  18. 18.2.1 × 0.04 =
  19. 19.1.5 × 3.3 =
  20. 20.9.2 × 2.3 =
  21. 21.8.6 × 0.21 =
  22. 22.1.6 × 3.1 =
  23. 23.3.4 × 0.2 =
  24. 24.3.7 × 3.1 =
  25. 25.5.8 × 0.29 =
  26. 26.0.11 × 3.8 =
  27. 27.0.59 × 2.5 =
  28. 28.1.4 × 0.14 =
  29. 29.2.5 × 0.06 =
  30. 30.2.4 × 1.1 =
  31. 31.0.22 × 3.6 =
  32. 32.9.9 × 0.19 =
  33. 33.7.9 × 0.5 =
  34. 34.2.5 × 0.31 =
  35. 35.2.6 × 0.05 =
  36. 36.2.3 × 0.24 =
  37. 37.4.6 × 0.38 =
  38. 38.8.1 × 0.5 =
  39. 39.2.8 × 0.28 =
  40. 40.0.4 × 1.8 =

Answer key

  1. 0.651
  2. 2.134
  3. 0.992
  4. 0.81
  5. 5.61
  6. 0.144
  7. 1.44
  8. 1.729
  9. 2.726
  10. 17.82
  11. 0.702
  12. 0.17
  13. 2.116
  14. 0.077
  15. 1.98
  16. 2.366
  17. 1.568
  18. 0.084
  19. 4.95
  20. 21.16
  21. 1.806
  22. 4.96
  23. 0.68
  24. 11.47
  25. 1.682
  26. 0.418
  27. 1.475
  28. 0.196
  29. 0.15
  30. 2.64
  31. 0.792
  32. 1.881
  33. 3.95
  34. 0.775
  35. 0.13
  36. 0.552
  37. 1.748
  38. 4.05
  39. 0.784
  40. 0.72

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