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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 736 · 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. 1.7.1 × 0.21 =
  2. 2.0.76 × 1.3 =
  3. 3.0.09 × 3.8 =
  4. 4.0.53 × 1.5 =
  5. 5.1.3 × 0.03 =
  6. 6.4.6 × 2.6 =
  7. 7.7.7 × 0.38 =
  8. 8.7.2 × 1.3 =
  9. 9.0.44 × 2.8 =
  10. 10.0.27 × 2.3 =
  11. 11.2.5 × 1.6 =
  12. 12.0.17 × 0.2 =
  13. 13.0.72 × 1.1 =
  14. 14.8.1 × 1.7 =
  15. 15.4.7 × 0.7 =
  16. 16.0.77 × 0.3 =
  17. 17.2.4 × 0.28 =
  18. 18.0.71 × 1.1 =
  19. 19.0.81 × 0.3 =
  20. 20.0.6 × 1.7 =
  21. 21.6.7 × 0.37 =
  22. 22.3.3 × 1.6 =
  23. 23.9.9 × 0.34 =
  24. 24.4.8 × 0.28 =
  25. 25.6.6 × 0.5 =
  26. 26.6.1 × 3.4 =
  27. 27.9.2 × 0.25 =
  28. 28.1.1 × 0.11 =
  29. 29.0.51 × 2.1 =
  30. 30.0.59 × 2.2 =
  31. 31.6.8 × 0.6 =
  32. 32.0.11 × 0.8 =
  33. 33.5.6 × 1.9 =
  34. 34.0.74 × 3.7 =
  35. 35.0.93 × 0.8 =
  36. 36.1.7 × 2.5 =
  37. 37.9.1 × 0.5 =
  38. 38.0.31 × 2.7 =
  39. 39.0.05 × 3.9 =
  40. 40.1.1 × 2.5 =

Answer key

  1. 1.491
  2. 0.988
  3. 0.342
  4. 0.795
  5. 0.039
  6. 11.96
  7. 2.926
  8. 9.36
  9. 1.232
  10. 0.621
  11. 4
  12. 0.034
  13. 0.792
  14. 13.77
  15. 3.29
  16. 0.231
  17. 0.672
  18. 0.781
  19. 0.243
  20. 1.02
  21. 2.479
  22. 5.28
  23. 3.366
  24. 1.344
  25. 3.3
  26. 20.74
  27. 2.3
  28. 0.121
  29. 1.071
  30. 1.298
  31. 4.08
  32. 0.088
  33. 10.64
  34. 2.738
  35. 0.744
  36. 4.25
  37. 4.55
  38. 0.837
  39. 0.195
  40. 2.75

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