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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 635 · 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. 1.0.97 × 2.7 =
  2. 2.2.3 × 0.8 =
  3. 3.2.9 × 0.2 =
  4. 4.0.94 × 0.4 =
  5. 5.6.1 × 1.1 =
  6. 6.4.4 × 3.4 =
  7. 7.0.67 × 3.2 =
  8. 8.6.6 × 1.9 =
  9. 9.6.7 × 0.33 =
  10. 10.6.9 × 0.12 =
  11. 11.0.81 × 2.2 =
  12. 12.0.2 × 1.8 =
  13. 13.0.28 × 1.2 =
  14. 14.0.04 × 1.1 =
  15. 15.7.3 × 0.23 =
  16. 16.0.88 × 2.2 =
  17. 17.0.63 × 3.3 =
  18. 18.8.8 × 0.03 =
  19. 19.7.1 × 0.11 =
  20. 20.0.32 × 0.7 =
  21. 21.0.17 × 2.4 =
  22. 22.0.54 × 2.5 =
  23. 23.6.3 × 1.7 =
  24. 24.5.5 × 1.8 =
  25. 25.0.33 × 2.9 =
  26. 26.3.9 × 0.26 =
  27. 27.6.1 × 0.15 =
  28. 28.0.74 × 2.9 =
  29. 29.0.91 × 2.8 =
  30. 30.6.1 × 0.14 =
  31. 31.0.13 × 0.7 =
  32. 32.7.8 × 1.2 =
  33. 33.0.04 × 2.1 =
  34. 34.0.26 × 2.2 =
  35. 35.0.26 × 2.9 =
  36. 36.0.8 × 0.15 =
  37. 37.3.6 × 0.12 =
  38. 38.1.6 × 0.16 =
  39. 39.4.2 × 0.11 =
  40. 40.0.78 × 2.7 =

Answer key

  1. 2.619
  2. 1.84
  3. 0.58
  4. 0.376
  5. 6.71
  6. 14.96
  7. 2.144
  8. 12.54
  9. 2.211
  10. 0.828
  11. 1.782
  12. 0.36
  13. 0.336
  14. 0.044
  15. 1.679
  16. 1.936
  17. 2.079
  18. 0.264
  19. 0.781
  20. 0.224
  21. 0.408
  22. 1.35
  23. 10.71
  24. 9.9
  25. 0.957
  26. 1.014
  27. 0.915
  28. 2.146
  29. 2.548
  30. 0.854
  31. 0.091
  32. 9.36
  33. 0.084
  34. 0.572
  35. 0.754
  36. 0.12
  37. 0.432
  38. 0.256
  39. 0.462
  40. 2.106

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