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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 786 · 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. 1.4.7 × 0.28 =
  2. 2.3.8 × 0.19 =
  3. 3.3.3 × 0.4 =
  4. 4.6.1 × 0.3 =
  5. 5.9.2 × 0.04 =
  6. 6.0.76 × 3.5 =
  7. 7.0.9 × 0.16 =
  8. 8.2.5 × 2.4 =
  9. 9.7.2 × 0.18 =
  10. 10.0.95 × 2.2 =
  11. 11.0.51 × 0.2 =
  12. 12.5.8 × 2.1 =
  13. 13.9.3 × 2.9 =
  14. 14.0.25 × 1.4 =
  15. 15.4.9 × 0.07 =
  16. 16.0.08 × 0.6 =
  17. 17.8.6 × 0.17 =
  18. 18.5.5 × 0.5 =
  19. 19.1.7 × 1.3 =
  20. 20.3.1 × 0.38 =
  21. 21.0.08 × 1.4 =
  22. 22.6.3 × 0.36 =
  23. 23.8.3 × 1.5 =
  24. 24.1.8 × 0.6 =
  25. 25.0.62 × 2.1 =
  26. 26.0.92 × 1.3 =
  27. 27.0.91 × 1.1 =
  28. 28.0.23 × 2.6 =
  29. 29.0.51 × 3.1 =
  30. 30.0.78 × 3.8 =
  31. 31.1.8 × 0.16 =
  32. 32.9.9 × 2.6 =
  33. 33.5.3 × 0.05 =
  34. 34.6.7 × 0.02 =
  35. 35.7.2 × 0.26 =
  36. 36.5.8 × 0.25 =
  37. 37.1.3 × 1.1 =
  38. 38.0.06 × 2.1 =
  39. 39.2.4 × 3.6 =
  40. 40.1.3 × 1.4 =

Answer key

  1. 1.316
  2. 0.722
  3. 1.32
  4. 1.83
  5. 0.368
  6. 2.66
  7. 0.144
  8. 6
  9. 1.296
  10. 2.09
  11. 0.102
  12. 12.18
  13. 26.97
  14. 0.35
  15. 0.343
  16. 0.048
  17. 1.462
  18. 2.75
  19. 2.21
  20. 1.178
  21. 0.112
  22. 2.268
  23. 12.45
  24. 1.08
  25. 1.302
  26. 1.196
  27. 1.001
  28. 0.598
  29. 1.581
  30. 2.964
  31. 0.288
  32. 25.74
  33. 0.265
  34. 0.134
  35. 1.872
  36. 1.45
  37. 1.43
  38. 0.126
  39. 8.64
  40. 1.82

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