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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 969 · 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. 1.0.11 × 0.6 =
  2. 2.0.26 × 0.3 =
  3. 3.1.5 × 0.6 =
  4. 4.0.8 × 0.3 =
  5. 5.1.5 × 0.26 =
  6. 6.0.69 × 3.2 =
  7. 7.0.45 × 1.9 =
  8. 8.0.18 × 3.1 =
  9. 9.4.1 × 0.32 =
  10. 10.0.4 × 0.4 =
  11. 11.0.6 × 1.6 =
  12. 12.0.06 × 3.1 =
  13. 13.0.78 × 3.8 =
  14. 14.0.57 × 1.1 =
  15. 15.5.6 × 1.1 =
  16. 16.2.1 × 0.39 =
  17. 17.0.34 × 2.5 =
  18. 18.0.44 × 0.5 =
  19. 19.3.5 × 0.36 =
  20. 20.0.31 × 0.7 =
  21. 21.0.07 × 2.9 =
  22. 22.0.66 × 1.5 =
  23. 23.5.6 × 3.1 =
  24. 24.0.14 × 2.7 =
  25. 25.1.5 × 0.26 =
  26. 26.0.2 × 2.8 =
  27. 27.2.1 × 0.08 =
  28. 28.9.4 × 2.5 =
  29. 29.0.25 × 3.2 =
  30. 30.9.2 × 3.5 =
  31. 31.0.4 × 0.3 =
  32. 32.0.36 × 1.1 =
  33. 33.7.3 × 0.8 =
  34. 34.0.9 × 0.3 =
  35. 35.8.2 × 1.5 =
  36. 36.3.6 × 3.4 =
  37. 37.2.9 × 0.08 =
  38. 38.3.1 × 3.5 =
  39. 39.1.1 × 0.06 =
  40. 40.4.1 × 0.17 =

Answer key

  1. 0.066
  2. 0.078
  3. 0.9
  4. 0.24
  5. 0.39
  6. 2.208
  7. 0.855
  8. 0.558
  9. 1.312
  10. 0.16
  11. 0.96
  12. 0.186
  13. 2.964
  14. 0.627
  15. 6.16
  16. 0.819
  17. 0.85
  18. 0.22
  19. 1.26
  20. 0.217
  21. 0.203
  22. 0.99
  23. 17.36
  24. 0.378
  25. 0.39
  26. 0.56
  27. 0.168
  28. 23.5
  29. 0.8
  30. 32.2
  31. 0.12
  32. 0.396
  33. 5.84
  34. 0.27
  35. 12.3
  36. 12.24
  37. 0.232
  38. 10.85
  39. 0.066
  40. 0.697

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