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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 317 · 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. 1.1.4 × 0.11 =
  2. 2.0.06 × 1.5 =
  3. 3.0.47 × 0.8 =
  4. 4.0.91 × 3.7 =
  5. 5.0.54 × 0.7 =
  6. 6.7.1 × 3.5 =
  7. 7.2.4 × 0.25 =
  8. 8.0.31 × 3.3 =
  9. 9.0.59 × 0.8 =
  10. 10.6.4 × 0.05 =
  11. 11.8.8 × 1.5 =
  12. 12.2.7 × 0.16 =
  13. 13.0.06 × 0.6 =
  14. 14.0.79 × 1.1 =
  15. 15.5.5 × 0.04 =
  16. 16.2.6 × 0.33 =
  17. 17.1.3 × 0.3 =
  18. 18.0.27 × 1.3 =
  19. 19.4.1 × 0.28 =
  20. 20.5.3 × 0.6 =
  21. 21.2.1 × 0.7 =
  22. 22.0.9 × 0.31 =
  23. 23.1.2 × 0.13 =
  24. 24.1.2 × 1.7 =
  25. 25.4.5 × 0.12 =
  26. 26.3.1 × 1.9 =
  27. 27.0.9 × 2.4 =
  28. 28.1.6 × 0.11 =
  29. 29.9.9 × 0.27 =
  30. 30.0.08 × 3.3 =
  31. 31.5.4 × 3.9 =
  32. 32.0.4 × 3.1 =
  33. 33.8.4 × 1.5 =
  34. 34.0.23 × 1.2 =
  35. 35.7.5 × 3.4 =
  36. 36.4.2 × 0.4 =
  37. 37.8.9 × 2.4 =
  38. 38.4.7 × 0.17 =
  39. 39.2.1 × 2.5 =
  40. 40.0.46 × 0.6 =

Answer key

  1. 0.154
  2. 0.09
  3. 0.376
  4. 3.367
  5. 0.378
  6. 24.85
  7. 0.6
  8. 1.023
  9. 0.472
  10. 0.32
  11. 13.2
  12. 0.432
  13. 0.036
  14. 0.869
  15. 0.22
  16. 0.858
  17. 0.39
  18. 0.351
  19. 1.148
  20. 3.18
  21. 1.47
  22. 0.279
  23. 0.156
  24. 2.04
  25. 0.54
  26. 5.89
  27. 2.16
  28. 0.176
  29. 2.673
  30. 0.264
  31. 21.06
  32. 1.24
  33. 12.6
  34. 0.276
  35. 25.5
  36. 1.68
  37. 21.36
  38. 0.799
  39. 5.25
  40. 0.276

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