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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 776 · 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. 1.0.41 × 0.3 =
  2. 2.9.7 × 0.7 =
  3. 3.3.2 × 2.6 =
  4. 4.2.1 × 0.9 =
  5. 5.0.32 × 2.1 =
  6. 6.7.1 × 0.13 =
  7. 7.7.4 × 0.7 =
  8. 8.5.1 × 0.21 =
  9. 9.0.74 × 3.9 =
  10. 10.2.5 × 2.5 =
  11. 11.0.32 × 1.3 =
  12. 12.8.3 × 2.9 =
  13. 13.3.1 × 0.5 =
  14. 14.9.7 × 2.4 =
  15. 15.4.1 × 3.2 =
  16. 16.1.1 × 0.18 =
  17. 17.5.1 × 0.29 =
  18. 18.0.25 × 2.7 =
  19. 19.4.8 × 0.09 =
  20. 20.0.22 × 2.3 =
  21. 21.8.5 × 0.24 =
  22. 22.1.7 × 1.2 =
  23. 23.0.19 × 3.6 =
  24. 24.0.47 × 0.6 =
  25. 25.0.45 × 0.8 =
  26. 26.9.5 × 0.37 =
  27. 27.3.6 × 0.7 =
  28. 28.0.66 × 1.1 =
  29. 29.0.26 × 1.1 =
  30. 30.0.43 × 2.1 =
  31. 31.2.9 × 1.1 =
  32. 32.7.6 × 0.7 =
  33. 33.1.8 × 1.7 =
  34. 34.4.2 × 0.25 =
  35. 35.0.41 × 1.4 =
  36. 36.0.02 × 2.9 =
  37. 37.0.24 × 0.7 =
  38. 38.0.15 × 0.3 =
  39. 39.4.6 × 1.7 =
  40. 40.6.6 × 2.7 =

Answer key

  1. 0.123
  2. 6.79
  3. 8.32
  4. 1.89
  5. 0.672
  6. 0.923
  7. 5.18
  8. 1.071
  9. 2.886
  10. 6.25
  11. 0.416
  12. 24.07
  13. 1.55
  14. 23.28
  15. 13.12
  16. 0.198
  17. 1.479
  18. 0.675
  19. 0.432
  20. 0.506
  21. 2.04
  22. 2.04
  23. 0.684
  24. 0.282
  25. 0.36
  26. 3.515
  27. 2.52
  28. 0.726
  29. 0.286
  30. 0.903
  31. 3.19
  32. 5.32
  33. 3.06
  34. 1.05
  35. 0.574
  36. 0.058
  37. 0.168
  38. 0.045
  39. 7.82
  40. 17.82

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