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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 614 · 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. 1.0.47 × 0.7 =
  2. 2.0.54 × 0.7 =
  3. 3.0.78 × 0.6 =
  4. 4.0.4 × 0.12 =
  5. 5.0.61 × 0.3 =
  6. 6.0.2 × 0.02 =
  7. 7.1.8 × 0.15 =
  8. 8.9.6 × 0.37 =
  9. 9.6.1 × 0.6 =
  10. 10.0.61 × 3.1 =
  11. 11.5.9 × 0.16 =
  12. 12.6.5 × 1.5 =
  13. 13.9.2 × 1.2 =
  14. 14.0.25 × 1.8 =
  15. 15.0.43 × 3.4 =
  16. 16.0.6 × 3.5 =
  17. 17.5.2 × 1.5 =
  18. 18.2.1 × 0.23 =
  19. 19.5.2 × 3.7 =
  20. 20.0.41 × 1.1 =
  21. 21.0.63 × 0.9 =
  22. 22.8.1 × 1.1 =
  23. 23.8.2 × 0.4 =
  24. 24.7.3 × 0.15 =
  25. 25.2.4 × 2.8 =
  26. 26.0.63 × 2.1 =
  27. 27.9.1 × 0.16 =
  28. 28.0.22 × 1.4 =
  29. 29.0.4 × 1.5 =
  30. 30.0.71 × 1.6 =
  31. 31.2.6 × 2.6 =
  32. 32.6.2 × 0.17 =
  33. 33.6.6 × 0.29 =
  34. 34.7.8 × 1.1 =
  35. 35.1.1 × 0.25 =
  36. 36.0.28 × 3.2 =
  37. 37.4.1 × 2.6 =
  38. 38.2.4 × 0.06 =
  39. 39.5.1 × 0.28 =
  40. 40.1.2 × 3.1 =

Answer key

  1. 0.329
  2. 0.378
  3. 0.468
  4. 0.048
  5. 0.183
  6. 0.004
  7. 0.27
  8. 3.552
  9. 3.66
  10. 1.891
  11. 0.944
  12. 9.75
  13. 11.04
  14. 0.45
  15. 1.462
  16. 2.1
  17. 7.8
  18. 0.483
  19. 19.24
  20. 0.451
  21. 0.567
  22. 8.91
  23. 3.28
  24. 1.095
  25. 6.72
  26. 1.323
  27. 1.456
  28. 0.308
  29. 0.6
  30. 1.136
  31. 6.76
  32. 1.054
  33. 1.914
  34. 8.58
  35. 0.275
  36. 0.896
  37. 10.66
  38. 0.144
  39. 1.428
  40. 3.72

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