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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 939 · 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. 1.0.29 × 0.5 =
  2. 2.7.3 × 2.8 =
  3. 3.9.3 × 0.33 =
  4. 4.8.5 × 3.1 =
  5. 5.0.2 × 0.6 =
  6. 6.0.23 × 3.5 =
  7. 7.0.14 × 1.3 =
  8. 8.0.11 × 1.2 =
  9. 9.4.5 × 0.11 =
  10. 10.0.95 × 1.6 =
  11. 11.8.6 × 3.4 =
  12. 12.0.84 × 3.5 =
  13. 13.1.6 × 0.06 =
  14. 14.0.05 × 3.8 =
  15. 15.8.1 × 0.7 =
  16. 16.7.4 × 0.05 =
  17. 17.2.2 × 1.4 =
  18. 18.0.97 × 0.6 =
  19. 19.2.3 × 2.7 =
  20. 20.0.96 × 0.9 =
  21. 21.7.1 × 0.14 =
  22. 22.6.1 × 3.6 =
  23. 23.0.86 × 1.3 =
  24. 24.9.4 × 2.3 =
  25. 25.2.5 × 0.35 =
  26. 26.5.3 × 1.6 =
  27. 27.0.85 × 3.9 =
  28. 28.7.9 × 3.8 =
  29. 29.0.84 × 0.7 =
  30. 30.0.96 × 2.1 =
  31. 31.0.16 × 1.1 =
  32. 32.1.8 × 3.6 =
  33. 33.0.08 × 1.3 =
  34. 34.0.29 × 0.2 =
  35. 35.8.8 × 0.31 =
  36. 36.7.8 × 0.26 =
  37. 37.0.12 × 3.1 =
  38. 38.9.5 × 0.16 =
  39. 39.0.68 × 0.2 =
  40. 40.0.72 × 3.8 =

Answer key

  1. 0.145
  2. 20.44
  3. 3.069
  4. 26.35
  5. 0.12
  6. 0.805
  7. 0.182
  8. 0.132
  9. 0.495
  10. 1.52
  11. 29.24
  12. 2.94
  13. 0.096
  14. 0.19
  15. 5.67
  16. 0.37
  17. 3.08
  18. 0.582
  19. 6.21
  20. 0.864
  21. 0.994
  22. 21.96
  23. 1.118
  24. 21.62
  25. 0.875
  26. 8.48
  27. 3.315
  28. 30.02
  29. 0.588
  30. 2.016
  31. 0.176
  32. 6.48
  33. 0.104
  34. 0.058
  35. 2.728
  36. 2.028
  37. 0.372
  38. 1.52
  39. 0.136
  40. 2.736

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