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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 67 · 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 × 2.6 =
  2. 2.9.3 × 0.27 =
  3. 3.8.8 × 0.07 =
  4. 4.0.84 × 0.3 =
  5. 5.0.61 × 3.2 =
  6. 6.0.45 × 0.4 =
  7. 7.1.9 × 0.12 =
  8. 8.0.26 × 1.6 =
  9. 9.0.62 × 0.9 =
  10. 10.0.91 × 3.5 =
  11. 11.2.7 × 0.26 =
  12. 12.8.1 × 1.5 =
  13. 13.0.21 × 3.9 =
  14. 14.7.6 × 0.09 =
  15. 15.1.1 × 0.05 =
  16. 16.0.75 × 0.5 =
  17. 17.0.59 × 0.4 =
  18. 18.0.17 × 1.4 =
  19. 19.7.8 × 0.3 =
  20. 20.0.74 × 2.5 =
  21. 21.6.2 × 0.25 =
  22. 22.1.6 × 0.32 =
  23. 23.5.9 × 3.2 =
  24. 24.8.1 × 0.05 =
  25. 25.0.31 × 1.5 =
  26. 26.8.5 × 3.7 =
  27. 27.0.28 × 1.1 =
  28. 28.1.4 × 1.1 =
  29. 29.9.9 × 0.12 =
  30. 30.7.5 × 0.03 =
  31. 31.8.1 × 3.7 =
  32. 32.5.8 × 1.3 =
  33. 33.3.5 × 1.9 =
  34. 34.3.8 × 0.21 =
  35. 35.0.59 × 1.5 =
  36. 36.2.5 × 0.32 =
  37. 37.0.02 × 1.4 =
  38. 38.0.92 × 2.6 =
  39. 39.0.55 × 3.1 =
  40. 40.3.2 × 3.1 =

Answer key

  1. 0.286
  2. 2.511
  3. 0.616
  4. 0.252
  5. 1.952
  6. 0.18
  7. 0.228
  8. 0.416
  9. 0.558
  10. 3.185
  11. 0.702
  12. 12.15
  13. 0.819
  14. 0.684
  15. 0.055
  16. 0.375
  17. 0.236
  18. 0.238
  19. 2.34
  20. 1.85
  21. 1.55
  22. 0.512
  23. 18.88
  24. 0.405
  25. 0.465
  26. 31.45
  27. 0.308
  28. 1.54
  29. 1.188
  30. 0.225
  31. 29.97
  32. 7.54
  33. 6.65
  34. 0.798
  35. 0.885
  36. 0.8
  37. 0.028
  38. 2.392
  39. 1.705
  40. 9.92

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