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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 994 · 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. 1.4.1 × 0.16 =
  2. 2.4.5 × 2.5 =
  3. 3.0.09 × 2.5 =
  4. 4.0.77 × 0.7 =
  5. 5.0.91 × 3.6 =
  6. 6.0.47 × 0.4 =
  7. 7.0.47 × 0.3 =
  8. 8.8.8 × 3.9 =
  9. 9.0.43 × 1.4 =
  10. 10.0.03 × 0.3 =
  11. 11.0.43 × 1.5 =
  12. 12.0.14 × 2.1 =
  13. 13.8.5 × 3.3 =
  14. 14.0.52 × 0.7 =
  15. 15.0.44 × 2.9 =
  16. 16.4.1 × 2.3 =
  17. 17.2.5 × 0.4 =
  18. 18.0.42 × 1.5 =
  19. 19.0.12 × 1.6 =
  20. 20.0.12 × 1.2 =
  21. 21.0.2 × 0.4 =
  22. 22.8.9 × 3.1 =
  23. 23.7.8 × 0.25 =
  24. 24.3.1 × 0.34 =
  25. 25.7.6 × 0.05 =
  26. 26.4.7 × 2.6 =
  27. 27.2.5 × 2.6 =
  28. 28.2.3 × 0.06 =
  29. 29.6.3 × 0.25 =
  30. 30.0.92 × 3.6 =
  31. 31.0.5 × 0.09 =
  32. 32.0.29 × 1.3 =
  33. 33.0.17 × 0.2 =
  34. 34.0.46 × 1.5 =
  35. 35.0.07 × 0.7 =
  36. 36.0.77 × 2.1 =
  37. 37.0.11 × 0.7 =
  38. 38.0.75 × 2.9 =
  39. 39.0.26 × 0.2 =
  40. 40.0.85 × 3.1 =

Answer key

  1. 0.656
  2. 11.25
  3. 0.225
  4. 0.539
  5. 3.276
  6. 0.188
  7. 0.141
  8. 34.32
  9. 0.602
  10. 0.009
  11. 0.645
  12. 0.294
  13. 28.05
  14. 0.364
  15. 1.276
  16. 9.43
  17. 1
  18. 0.63
  19. 0.192
  20. 0.144
  21. 0.08
  22. 27.59
  23. 1.95
  24. 1.054
  25. 0.38
  26. 12.22
  27. 6.5
  28. 0.138
  29. 1.575
  30. 3.312
  31. 0.045
  32. 0.377
  33. 0.034
  34. 0.69
  35. 0.049
  36. 1.617
  37. 0.077
  38. 2.175
  39. 0.052
  40. 2.635

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