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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 572 · 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. 1.0.62 × 1.8 =
  2. 2.0.71 × 3.9 =
  3. 3.8.6 × 3.9 =
  4. 4.0.81 × 2.4 =
  5. 5.0.88 × 0.9 =
  6. 6.0.46 × 3.8 =
  7. 7.0.33 × 2.3 =
  8. 8.4.1 × 2.8 =
  9. 9.0.94 × 0.9 =
  10. 10.0.06 × 2.9 =
  11. 11.0.45 × 3.4 =
  12. 12.0.79 × 0.3 =
  13. 13.0.13 × 0.8 =
  14. 14.0.11 × 0.6 =
  15. 15.5.1 × 0.9 =
  16. 16.2.5 × 0.28 =
  17. 17.0.61 × 0.5 =
  18. 18.0.12 × 0.4 =
  19. 19.0.49 × 0.7 =
  20. 20.6.4 × 0.35 =
  21. 21.0.34 × 3.4 =
  22. 22.8.5 × 1.5 =
  23. 23.5.5 × 1.8 =
  24. 24.0.29 × 1.3 =
  25. 25.5.5 × 2.1 =
  26. 26.0.31 × 1.3 =
  27. 27.0.28 × 1.7 =
  28. 28.0.61 × 0.9 =
  29. 29.2.6 × 0.12 =
  30. 30.5.2 × 0.18 =
  31. 31.0.61 × 2.1 =
  32. 32.7.1 × 3.2 =
  33. 33.3.5 × 0.08 =
  34. 34.0.56 × 2.3 =
  35. 35.2.2 × 3.9 =
  36. 36.0.05 × 1.2 =
  37. 37.0.52 × 2.3 =
  38. 38.0.23 × 2.1 =
  39. 39.0.15 × 2.2 =
  40. 40.3.9 × 0.18 =

Answer key

  1. 1.116
  2. 2.769
  3. 33.54
  4. 1.944
  5. 0.792
  6. 1.748
  7. 0.759
  8. 11.48
  9. 0.846
  10. 0.174
  11. 1.53
  12. 0.237
  13. 0.104
  14. 0.066
  15. 4.59
  16. 0.7
  17. 0.305
  18. 0.048
  19. 0.343
  20. 2.24
  21. 1.156
  22. 12.75
  23. 9.9
  24. 0.377
  25. 11.55
  26. 0.403
  27. 0.476
  28. 0.549
  29. 0.312
  30. 0.936
  31. 1.281
  32. 22.72
  33. 0.28
  34. 1.288
  35. 8.58
  36. 0.06
  37. 1.196
  38. 0.483
  39. 0.33
  40. 0.702

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