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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 652 · 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. 1.0.62 × 0.8 =
  2. 2.6.3 × 0.04 =
  3. 3.2.4 × 0.37 =
  4. 4.9.5 × 1.2 =
  5. 5.4.9 × 3.6 =
  6. 6.0.11 × 3.8 =
  7. 7.8.1 × 0.7 =
  8. 8.0.54 × 0.7 =
  9. 9.2.9 × 3.3 =
  10. 10.2.1 × 0.23 =
  11. 11.2.4 × 3.2 =
  12. 12.1.5 × 0.5 =
  13. 13.8.4 × 2.3 =
  14. 14.1.2 × 3.6 =
  15. 15.1.1 × 2.6 =
  16. 16.0.9 × 0.35 =
  17. 17.0.69 × 1.1 =
  18. 18.1.5 × 0.33 =
  19. 19.0.12 × 1.6 =
  20. 20.2.4 × 0.11 =
  21. 21.8.2 × 1.6 =
  22. 22.6.9 × 0.02 =
  23. 23.6.6 × 1.7 =
  24. 24.7.3 × 3.1 =
  25. 25.2.6 × 0.35 =
  26. 26.6.7 × 0.26 =
  27. 27.4.3 × 3.4 =
  28. 28.3.8 × 0.2 =
  29. 29.0.38 × 1.4 =
  30. 30.6.1 × 0.8 =
  31. 31.0.6 × 0.31 =
  32. 32.0.72 × 0.9 =
  33. 33.0.88 × 2.2 =
  34. 34.0.3 × 1.6 =
  35. 35.0.61 × 3.9 =
  36. 36.3.8 × 2.8 =
  37. 37.2.6 × 0.11 =
  38. 38.9.7 × 1.8 =
  39. 39.0.23 × 0.6 =
  40. 40.0.5 × 1.3 =

Answer key

  1. 0.496
  2. 0.252
  3. 0.888
  4. 11.4
  5. 17.64
  6. 0.418
  7. 5.67
  8. 0.378
  9. 9.57
  10. 0.483
  11. 7.68
  12. 0.75
  13. 19.32
  14. 4.32
  15. 2.86
  16. 0.315
  17. 0.759
  18. 0.495
  19. 0.192
  20. 0.264
  21. 13.12
  22. 0.138
  23. 11.22
  24. 22.63
  25. 0.91
  26. 1.742
  27. 14.62
  28. 0.76
  29. 0.532
  30. 4.88
  31. 0.186
  32. 0.648
  33. 1.936
  34. 0.48
  35. 2.379
  36. 10.64
  37. 0.286
  38. 17.46
  39. 0.138
  40. 0.65

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