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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 719 · 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. 1.0.06 × 1.6 =
  2. 2.0.53 × 0.4 =
  3. 3.0.28 × 3.2 =
  4. 4.0.6 × 0.02 =
  5. 5.4.6 × 3.4 =
  6. 6.0.44 × 2.5 =
  7. 7.0.46 × 2.2 =
  8. 8.3.4 × 1.1 =
  9. 9.0.71 × 2.9 =
  10. 10.8.2 × 0.09 =
  11. 11.1.1 × 0.13 =
  12. 12.0.78 × 3.1 =
  13. 13.1.1 × 1.1 =
  14. 14.0.51 × 1.4 =
  15. 15.0.51 × 1.4 =
  16. 16.0.59 × 1.1 =
  17. 17.0.92 × 0.8 =
  18. 18.0.66 × 0.3 =
  19. 19.0.41 × 0.5 =
  20. 20.9.9 × 0.24 =
  21. 21.0.27 × 1.2 =
  22. 22.8.4 × 0.32 =
  23. 23.0.91 × 2.8 =
  24. 24.8.2 × 0.15 =
  25. 25.0.71 × 1.1 =
  26. 26.0.46 × 3.1 =
  27. 27.6.7 × 0.3 =
  28. 28.0.52 × 1.7 =
  29. 29.0.68 × 1.8 =
  30. 30.0.8 × 0.25 =
  31. 31.0.25 × 0.8 =
  32. 32.0.3 × 3.5 =
  33. 33.2.2 × 0.02 =
  34. 34.0.31 × 0.5 =
  35. 35.0.7 × 3.6 =
  36. 36.8.2 × 0.9 =
  37. 37.2.2 × 0.36 =
  38. 38.0.66 × 0.4 =
  39. 39.2.6 × 2.3 =
  40. 40.0.9 × 1.6 =

Answer key

  1. 0.096
  2. 0.212
  3. 0.896
  4. 0.012
  5. 15.64
  6. 1.1
  7. 1.012
  8. 3.74
  9. 2.059
  10. 0.738
  11. 0.143
  12. 2.418
  13. 1.21
  14. 0.714
  15. 0.714
  16. 0.649
  17. 0.736
  18. 0.198
  19. 0.205
  20. 2.376
  21. 0.324
  22. 2.688
  23. 2.548
  24. 1.23
  25. 0.781
  26. 1.426
  27. 2.01
  28. 0.884
  29. 1.224
  30. 0.2
  31. 0.2
  32. 1.05
  33. 0.044
  34. 0.155
  35. 2.52
  36. 7.38
  37. 0.792
  38. 0.264
  39. 5.98
  40. 1.44

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