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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 842 · 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. 1.0.18 × 1.1 =
  2. 2.3.1 × 2.3 =
  3. 3.6.1 × 3.1 =
  4. 4.0.91 × 1.8 =
  5. 5.8.7 × 0.12 =
  6. 6.9.8 × 3.4 =
  7. 7.5.6 × 3.4 =
  8. 8.0.28 × 3.3 =
  9. 9.9.3 × 1.1 =
  10. 10.0.96 × 3.1 =
  11. 11.9.3 × 0.02 =
  12. 12.5.9 × 0.08 =
  13. 13.4.2 × 0.06 =
  14. 14.0.3 × 2.2 =
  15. 15.0.33 × 0.9 =
  16. 16.7.1 × 0.22 =
  17. 17.0.28 × 2.7 =
  18. 18.0.67 × 0.5 =
  19. 19.0.21 × 2.2 =
  20. 20.6.2 × 0.05 =
  21. 21.8.5 × 1.7 =
  22. 22.0.41 × 2.8 =
  23. 23.0.4 × 0.11 =
  24. 24.0.61 × 1.6 =
  25. 25.0.17 × 1.5 =
  26. 26.0.75 × 2.1 =
  27. 27.3.7 × 2.5 =
  28. 28.0.28 × 1.1 =
  29. 29.0.5 × 2.7 =
  30. 30.1.8 × 1.1 =
  31. 31.0.17 × 0.2 =
  32. 32.0.61 × 3.9 =
  33. 33.7.1 × 0.5 =
  34. 34.0.21 × 0.5 =
  35. 35.0.62 × 1.2 =
  36. 36.0.53 × 3.9 =
  37. 37.0.15 × 3.6 =
  38. 38.0.96 × 0.7 =
  39. 39.1.1 × 0.13 =
  40. 40.0.22 × 1.4 =

Answer key

  1. 0.198
  2. 7.13
  3. 18.91
  4. 1.638
  5. 1.044
  6. 33.32
  7. 19.04
  8. 0.924
  9. 10.23
  10. 2.976
  11. 0.186
  12. 0.472
  13. 0.252
  14. 0.66
  15. 0.297
  16. 1.562
  17. 0.756
  18. 0.335
  19. 0.462
  20. 0.31
  21. 14.45
  22. 1.148
  23. 0.044
  24. 0.976
  25. 0.255
  26. 1.575
  27. 9.25
  28. 0.308
  29. 1.35
  30. 1.98
  31. 0.034
  32. 2.379
  33. 3.55
  34. 0.105
  35. 0.744
  36. 2.067
  37. 0.54
  38. 0.672
  39. 0.143
  40. 0.308

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