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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 594 · 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. 1.5.8 × 0.26 =
  2. 2.3.1 × 0.08 =
  3. 3.8.1 × 2.3 =
  4. 4.1.5 × 1.2 =
  5. 5.1.8 × 0.4 =
  6. 6.0.07 × 3.6 =
  7. 7.1.8 × 2.7 =
  8. 8.0.54 × 1.4 =
  9. 9.0.04 × 2.1 =
  10. 10.0.96 × 3.5 =
  11. 11.0.45 × 0.4 =
  12. 12.4.4 × 3.7 =
  13. 13.0.72 × 3.7 =
  14. 14.7.1 × 0.24 =
  15. 15.0.85 × 0.8 =
  16. 16.0.6 × 2.3 =
  17. 17.0.71 × 3.1 =
  18. 18.0.03 × 2.8 =
  19. 19.2.5 × 0.5 =
  20. 20.0.36 × 1.6 =
  21. 21.0.36 × 3.2 =
  22. 22.5.8 × 2.7 =
  23. 23.0.05 × 0.9 =
  24. 24.3.9 × 1.8 =
  25. 25.5.8 × 1.1 =
  26. 26.2.4 × 0.14 =
  27. 27.9.8 × 0.15 =
  28. 28.4.1 × 2.9 =
  29. 29.0.52 × 0.9 =
  30. 30.0.8 × 1.1 =
  31. 31.0.46 × 1.1 =
  32. 32.7.1 × 3.7 =
  33. 33.0.97 × 3.9 =
  34. 34.0.93 × 1.6 =
  35. 35.1.1 × 1.3 =
  36. 36.2.9 × 3.2 =
  37. 37.8.7 × 0.16 =
  38. 38.5.2 × 0.6 =
  39. 39.0.08 × 3.9 =
  40. 40.1.1 × 0.05 =

Answer key

  1. 1.508
  2. 0.248
  3. 18.63
  4. 1.8
  5. 0.72
  6. 0.252
  7. 4.86
  8. 0.756
  9. 0.084
  10. 3.36
  11. 0.18
  12. 16.28
  13. 2.664
  14. 1.704
  15. 0.68
  16. 1.38
  17. 2.201
  18. 0.084
  19. 1.25
  20. 0.576
  21. 1.152
  22. 15.66
  23. 0.045
  24. 7.02
  25. 6.38
  26. 0.336
  27. 1.47
  28. 11.89
  29. 0.468
  30. 0.88
  31. 0.506
  32. 26.27
  33. 3.783
  34. 1.488
  35. 1.43
  36. 9.28
  37. 1.392
  38. 3.12
  39. 0.312
  40. 0.055

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