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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 906 · 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. 1.0.25 × 0.7 =
  2. 2.4.2 × 0.38 =
  3. 3.7.1 × 2.7 =
  4. 4.0.02 × 1.1 =
  5. 5.0.11 × 0.4 =
  6. 6.1.9 × 3.8 =
  7. 7.4.2 × 0.11 =
  8. 8.8.3 × 2.2 =
  9. 9.0.91 × 3.9 =
  10. 10.0.54 × 0.5 =
  11. 11.0.93 × 2.4 =
  12. 12.0.78 × 3.4 =
  13. 13.9.4 × 1.1 =
  14. 14.2.7 × 0.4 =
  15. 15.0.17 × 3.4 =
  16. 16.0.95 × 1.9 =
  17. 17.5.4 × 0.11 =
  18. 18.4.4 × 0.35 =
  19. 19.0.75 × 1.4 =
  20. 20.6.8 × 0.06 =
  21. 21.0.36 × 1.7 =
  22. 22.5.8 × 0.05 =
  23. 23.0.69 × 2.6 =
  24. 24.9.9 × 0.12 =
  25. 25.9.6 × 3.5 =
  26. 26.6.7 × 0.28 =
  27. 27.4.3 × 1.4 =
  28. 28.0.5 × 3.7 =
  29. 29.7.7 × 1.7 =
  30. 30.0.19 × 1.5 =
  31. 31.0.92 × 3.1 =
  32. 32.0.41 × 3.3 =
  33. 33.9.2 × 0.34 =
  34. 34.0.05 × 1.1 =
  35. 35.0.99 × 1.1 =
  36. 36.4.5 × 0.33 =
  37. 37.0.85 × 0.8 =
  38. 38.0.95 × 2.6 =
  39. 39.4.1 × 0.21 =
  40. 40.0.41 × 1.6 =

Answer key

  1. 0.175
  2. 1.596
  3. 19.17
  4. 0.022
  5. 0.044
  6. 7.22
  7. 0.462
  8. 18.26
  9. 3.549
  10. 0.27
  11. 2.232
  12. 2.652
  13. 10.34
  14. 1.08
  15. 0.578
  16. 1.805
  17. 0.594
  18. 1.54
  19. 1.05
  20. 0.408
  21. 0.612
  22. 0.29
  23. 1.794
  24. 1.188
  25. 33.6
  26. 1.876
  27. 6.02
  28. 1.85
  29. 13.09
  30. 0.285
  31. 2.852
  32. 1.353
  33. 3.128
  34. 0.055
  35. 1.089
  36. 1.485
  37. 0.68
  38. 2.47
  39. 0.861
  40. 0.656

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