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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 749 · 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. 1.0.27 × 1.8 =
  2. 2.0.87 × 2.4 =
  3. 3.0.29 × 2.8 =
  4. 4.0.47 × 2.6 =
  5. 5.3.1 × 3.7 =
  6. 6.0.91 × 3.9 =
  7. 7.1.3 × 0.5 =
  8. 8.0.15 × 2.3 =
  9. 9.0.61 × 3.3 =
  10. 10.0.09 × 1.5 =
  11. 11.0.11 × 1.3 =
  12. 12.0.09 × 3.4 =
  13. 13.1.8 × 0.6 =
  14. 14.0.81 × 1.6 =
  15. 15.9.9 × 0.07 =
  16. 16.3.9 × 2.1 =
  17. 17.0.6 × 1.5 =
  18. 18.0.61 × 2.1 =
  19. 19.5.5 × 0.8 =
  20. 20.0.14 × 0.5 =
  21. 21.0.42 × 1.3 =
  22. 22.0.46 × 2.2 =
  23. 23.0.02 × 1.6 =
  24. 24.0.85 × 3.2 =
  25. 25.0.04 × 3.6 =
  26. 26.0.61 × 1.7 =
  27. 27.7.6 × 2.3 =
  28. 28.4.8 × 3.3 =
  29. 29.6.7 × 2.5 =
  30. 30.1.7 × 0.35 =
  31. 31.1.3 × 1.7 =
  32. 32.2.6 × 0.5 =
  33. 33.0.41 × 2.7 =
  34. 34.0.51 × 3.8 =
  35. 35.1.2 × 0.03 =
  36. 36.0.57 × 1.3 =
  37. 37.0.05 × 2.6 =
  38. 38.0.18 × 3.3 =
  39. 39.0.03 × 0.5 =
  40. 40.6.2 × 0.34 =

Answer key

  1. 0.486
  2. 2.088
  3. 0.812
  4. 1.222
  5. 11.47
  6. 3.549
  7. 0.65
  8. 0.345
  9. 2.013
  10. 0.135
  11. 0.143
  12. 0.306
  13. 1.08
  14. 1.296
  15. 0.693
  16. 8.19
  17. 0.9
  18. 1.281
  19. 4.4
  20. 0.07
  21. 0.546
  22. 1.012
  23. 0.032
  24. 2.72
  25. 0.144
  26. 1.037
  27. 17.48
  28. 15.84
  29. 16.75
  30. 0.595
  31. 2.21
  32. 1.3
  33. 1.107
  34. 1.938
  35. 0.036
  36. 0.741
  37. 0.13
  38. 0.594
  39. 0.015
  40. 2.108

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