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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 714 · 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. 1.8.1 × 0.13 =
  2. 2.0.91 × 1.4 =
  3. 3.0.98 × 0.9 =
  4. 4.0.36 × 3.7 =
  5. 5.0.93 × 0.6 =
  6. 6.0.12 × 0.2 =
  7. 7.5.7 × 2.8 =
  8. 8.9.2 × 3.1 =
  9. 9.7.5 × 0.17 =
  10. 10.3.9 × 0.9 =
  11. 11.0.92 × 2.3 =
  12. 12.0.6 × 3.1 =
  13. 13.0.53 × 2.5 =
  14. 14.9.1 × 2.5 =
  15. 15.5.9 × 0.4 =
  16. 16.0.66 × 3.9 =
  17. 17.1.1 × 2.2 =
  18. 18.0.41 × 2.8 =
  19. 19.0.76 × 2.1 =
  20. 20.8.3 × 2.4 =
  21. 21.0.88 × 1.1 =
  22. 22.0.46 × 1.6 =
  23. 23.0.62 × 0.6 =
  24. 24.0.75 × 0.6 =
  25. 25.3.1 × 3.1 =
  26. 26.0.63 × 3.7 =
  27. 27.8.1 × 0.4 =
  28. 28.2.2 × 0.36 =
  29. 29.0.47 × 0.2 =
  30. 30.8.1 × 0.8 =
  31. 31.4.2 × 2.8 =
  32. 32.7.9 × 0.08 =
  33. 33.3.8 × 0.2 =
  34. 34.4.9 × 3.5 =
  35. 35.0.3 × 0.22 =
  36. 36.3.3 × 0.35 =
  37. 37.2.7 × 0.7 =
  38. 38.0.29 × 3.5 =
  39. 39.0.42 × 1.2 =
  40. 40.0.12 × 3.1 =

Answer key

  1. 1.053
  2. 1.274
  3. 0.882
  4. 1.332
  5. 0.558
  6. 0.024
  7. 15.96
  8. 28.52
  9. 1.275
  10. 3.51
  11. 2.116
  12. 1.86
  13. 1.325
  14. 22.75
  15. 2.36
  16. 2.574
  17. 2.42
  18. 1.148
  19. 1.596
  20. 19.92
  21. 0.968
  22. 0.736
  23. 0.372
  24. 0.45
  25. 9.61
  26. 2.331
  27. 3.24
  28. 0.792
  29. 0.094
  30. 6.48
  31. 11.76
  32. 0.632
  33. 0.76
  34. 17.15
  35. 0.066
  36. 1.155
  37. 1.89
  38. 1.015
  39. 0.504
  40. 0.372

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