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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 632 · 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. 1.2.9 × 2.2 =
  2. 2.0.17 × 2.6 =
  3. 3.0.65 × 3.1 =
  4. 4.0.18 × 3.6 =
  5. 5.0.96 × 0.9 =
  6. 6.4.9 × 0.13 =
  7. 7.0.65 × 2.5 =
  8. 8.5.1 × 0.31 =
  9. 9.6.3 × 0.31 =
  10. 10.0.44 × 1.1 =
  11. 11.0.51 × 3.2 =
  12. 12.5.8 × 2.7 =
  13. 13.0.49 × 1.6 =
  14. 14.4.8 × 0.25 =
  15. 15.2.8 × 0.7 =
  16. 16.0.04 × 2.1 =
  17. 17.0.44 × 0.3 =
  18. 18.0.02 × 3.5 =
  19. 19.3.2 × 0.03 =
  20. 20.0.9 × 0.21 =
  21. 21.0.14 × 3.3 =
  22. 22.0.95 × 2.5 =
  23. 23.0.11 × 2.7 =
  24. 24.0.68 × 3.7 =
  25. 25.6.5 × 0.22 =
  26. 26.8.4 × 3.2 =
  27. 27.4.7 × 2.3 =
  28. 28.0.56 × 1.1 =
  29. 29.0.85 × 3.7 =
  30. 30.0.3 × 0.7 =
  31. 31.8.2 × 0.33 =
  32. 32.0.24 × 3.3 =
  33. 33.4.1 × 3.3 =
  34. 34.4.9 × 0.3 =
  35. 35.2.3 × 3.7 =
  36. 36.5.2 × 3.5 =
  37. 37.0.73 × 1.3 =
  38. 38.6.4 × 0.3 =
  39. 39.7.4 × 2.1 =
  40. 40.0.6 × 3.3 =

Answer key

  1. 6.38
  2. 0.442
  3. 2.015
  4. 0.648
  5. 0.864
  6. 0.637
  7. 1.625
  8. 1.581
  9. 1.953
  10. 0.484
  11. 1.632
  12. 15.66
  13. 0.784
  14. 1.2
  15. 1.96
  16. 0.084
  17. 0.132
  18. 0.07
  19. 0.096
  20. 0.189
  21. 0.462
  22. 2.375
  23. 0.297
  24. 2.516
  25. 1.43
  26. 26.88
  27. 10.81
  28. 0.616
  29. 3.145
  30. 0.21
  31. 2.706
  32. 0.792
  33. 13.53
  34. 1.47
  35. 8.51
  36. 18.2
  37. 0.949
  38. 1.92
  39. 15.54
  40. 1.98

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