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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 758 · 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. 1.0.29 × 3.7 =
  2. 2.0.07 × 0.9 =
  3. 3.8.1 × 1.4 =
  4. 4.0.66 × 3.1 =
  5. 5.0.11 × 0.5 =
  6. 6.5.2 × 0.9 =
  7. 7.4.8 × 3.3 =
  8. 8.0.11 × 2.3 =
  9. 9.0.06 × 1.6 =
  10. 10.2.2 × 0.21 =
  11. 11.3.2 × 2.9 =
  12. 12.2.1 × 2.1 =
  13. 13.1.8 × 3.8 =
  14. 14.0.08 × 0.4 =
  15. 15.0.12 × 3.3 =
  16. 16.7.9 × 0.25 =
  17. 17.0.14 × 3.3 =
  18. 18.9.4 × 0.12 =
  19. 19.0.7 × 0.5 =
  20. 20.6.1 × 0.12 =
  21. 21.5.3 × 1.8 =
  22. 22.1.1 × 0.27 =
  23. 23.0.28 × 2.1 =
  24. 24.0.75 × 1.7 =
  25. 25.0.52 × 0.9 =
  26. 26.0.46 × 2.2 =
  27. 27.7.7 × 0.23 =
  28. 28.0.3 × 0.8 =
  29. 29.2.4 × 0.2 =
  30. 30.0.81 × 1.8 =
  31. 31.2.3 × 0.3 =
  32. 32.0.44 × 0.9 =
  33. 33.9.1 × 3.8 =
  34. 34.0.52 × 0.5 =
  35. 35.0.7 × 0.11 =
  36. 36.8.5 × 3.1 =
  37. 37.0.92 × 2.6 =
  38. 38.0.31 × 1.6 =
  39. 39.0.39 × 1.7 =
  40. 40.8.4 × 1.1 =

Answer key

  1. 1.073
  2. 0.063
  3. 11.34
  4. 2.046
  5. 0.055
  6. 4.68
  7. 15.84
  8. 0.253
  9. 0.096
  10. 0.462
  11. 9.28
  12. 4.41
  13. 6.84
  14. 0.032
  15. 0.396
  16. 1.975
  17. 0.462
  18. 1.128
  19. 0.35
  20. 0.732
  21. 9.54
  22. 0.297
  23. 0.588
  24. 1.275
  25. 0.468
  26. 1.012
  27. 1.771
  28. 0.24
  29. 0.48
  30. 1.458
  31. 0.69
  32. 0.396
  33. 34.58
  34. 0.26
  35. 0.077
  36. 26.35
  37. 2.392
  38. 0.496
  39. 0.663
  40. 9.24

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