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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 288 · 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. 1.0.75 × 0.5 =
  2. 2.9.7 × 0.21 =
  3. 3.6.3 × 1.2 =
  4. 4.6.4 × 0.32 =
  5. 5.1.9 × 0.07 =
  6. 6.0.72 × 3.3 =
  7. 7.8.4 × 0.38 =
  8. 8.0.15 × 1.1 =
  9. 9.0.51 × 2.9 =
  10. 10.9.5 × 0.06 =
  11. 11.2.2 × 0.24 =
  12. 12.2.3 × 3.6 =
  13. 13.5.5 × 0.11 =
  14. 14.0.19 × 1.1 =
  15. 15.6.1 × 0.24 =
  16. 16.0.21 × 2.7 =
  17. 17.0.06 × 1.6 =
  18. 18.5.8 × 0.16 =
  19. 19.4.2 × 3.1 =
  20. 20.4.7 × 0.38 =
  21. 21.0.65 × 2.6 =
  22. 22.3.1 × 0.11 =
  23. 23.2.9 × 0.12 =
  24. 24.0.9 × 3.3 =
  25. 25.6.1 × 3.9 =
  26. 26.0.24 × 1.2 =
  27. 27.2.3 × 0.37 =
  28. 28.4.6 × 0.3 =
  29. 29.2.8 × 3.2 =
  30. 30.6.6 × 0.7 =
  31. 31.1.4 × 0.5 =
  32. 32.4.1 × 0.6 =
  33. 33.0.71 × 1.9 =
  34. 34.0.52 × 0.4 =
  35. 35.8.3 × 0.39 =
  36. 36.0.05 × 3.6 =
  37. 37.0.91 × 0.2 =
  38. 38.3.3 × 3.6 =
  39. 39.7.1 × 0.11 =
  40. 40.2.6 × 2.2 =

Answer key

  1. 0.375
  2. 2.037
  3. 7.56
  4. 2.048
  5. 0.133
  6. 2.376
  7. 3.192
  8. 0.165
  9. 1.479
  10. 0.57
  11. 0.528
  12. 8.28
  13. 0.605
  14. 0.209
  15. 1.464
  16. 0.567
  17. 0.096
  18. 0.928
  19. 13.02
  20. 1.786
  21. 1.69
  22. 0.341
  23. 0.348
  24. 2.97
  25. 23.79
  26. 0.288
  27. 0.851
  28. 1.38
  29. 8.96
  30. 4.62
  31. 0.7
  32. 2.46
  33. 1.349
  34. 0.208
  35. 3.237
  36. 0.18
  37. 0.182
  38. 11.88
  39. 0.781
  40. 5.72

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