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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 532 · 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. 1.0.98 × 1.8 =
  2. 2.4.8 × 0.06 =
  3. 3.0.94 × 0.3 =
  4. 4.0.55 × 0.8 =
  5. 5.5.1 × 2.2 =
  6. 6.0.13 × 1.9 =
  7. 7.4.5 × 2.7 =
  8. 8.0.96 × 3.3 =
  9. 9.8.2 × 2.9 =
  10. 10.0.83 × 3.4 =
  11. 11.2.1 × 0.09 =
  12. 12.8.1 × 0.25 =
  13. 13.9.3 × 0.23 =
  14. 14.4.9 × 3.3 =
  15. 15.8.1 × 0.36 =
  16. 16.0.11 × 3.2 =
  17. 17.2.2 × 0.8 =
  18. 18.0.2 × 0.07 =
  19. 19.9.6 × 0.24 =
  20. 20.1.3 × 3.2 =
  21. 21.3.7 × 0.7 =
  22. 22.2.1 × 0.21 =
  23. 23.0.65 × 0.7 =
  24. 24.1.5 × 0.6 =
  25. 25.2.1 × 3.3 =
  26. 26.0.28 × 3.3 =
  27. 27.3.1 × 0.06 =
  28. 28.0.17 × 2.6 =
  29. 29.0.5 × 1.2 =
  30. 30.3.8 × 2.4 =
  31. 31.0.77 × 2.2 =
  32. 32.0.13 × 2.1 =
  33. 33.5.1 × 3.9 =
  34. 34.0.81 × 1.4 =
  35. 35.0.88 × 3.3 =
  36. 36.0.41 × 2.5 =
  37. 37.1.9 × 0.37 =
  38. 38.0.56 × 0.3 =
  39. 39.0.86 × 3.8 =
  40. 40.3.7 × 2.2 =

Answer key

  1. 1.764
  2. 0.288
  3. 0.282
  4. 0.44
  5. 11.22
  6. 0.247
  7. 12.15
  8. 3.168
  9. 23.78
  10. 2.822
  11. 0.189
  12. 2.025
  13. 2.139
  14. 16.17
  15. 2.916
  16. 0.352
  17. 1.76
  18. 0.014
  19. 2.304
  20. 4.16
  21. 2.59
  22. 0.441
  23. 0.455
  24. 0.9
  25. 6.93
  26. 0.924
  27. 0.186
  28. 0.442
  29. 0.6
  30. 9.12
  31. 1.694
  32. 0.273
  33. 19.89
  34. 1.134
  35. 2.904
  36. 1.025
  37. 0.703
  38. 0.168
  39. 3.268
  40. 8.14

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