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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 678 · 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. 1.0.31 × 0.2 =
  2. 2.0.6 × 2.8 =
  3. 3.1.8 × 0.38 =
  4. 4.0.58 × 2.2 =
  5. 5.3.8 × 3.9 =
  6. 6.1.8 × 0.6 =
  7. 7.0.51 × 2.7 =
  8. 8.0.46 × 3.8 =
  9. 9.0.55 × 0.6 =
  10. 10.0.17 × 1.1 =
  11. 11.5.4 × 0.26 =
  12. 12.0.22 × 0.6 =
  13. 13.7.1 × 3.1 =
  14. 14.0.69 × 0.9 =
  15. 15.6.5 × 0.03 =
  16. 16.0.69 × 2.1 =
  17. 17.0.28 × 3.1 =
  18. 18.0.67 × 2.9 =
  19. 19.1.1 × 0.25 =
  20. 20.0.21 × 3.9 =
  21. 21.0.88 × 0.3 =
  22. 22.4.8 × 0.27 =
  23. 23.5.8 × 3.6 =
  24. 24.1.9 × 1.1 =
  25. 25.0.44 × 3.3 =
  26. 26.8.1 × 1.3 =
  27. 27.0.47 × 3.3 =
  28. 28.0.21 × 1.2 =
  29. 29.0.26 × 0.5 =
  30. 30.5.4 × 2.3 =
  31. 31.3.2 × 0.29 =
  32. 32.3.4 × 1.2 =
  33. 33.4.6 × 0.12 =
  34. 34.3.2 × 0.5 =
  35. 35.4.1 × 0.29 =
  36. 36.0.11 × 3.6 =
  37. 37.0.11 × 2.9 =
  38. 38.1.1 × 0.05 =
  39. 39.1.2 × 0.8 =
  40. 40.0.27 × 3.1 =

Answer key

  1. 0.062
  2. 1.68
  3. 0.684
  4. 1.276
  5. 14.82
  6. 1.08
  7. 1.377
  8. 1.748
  9. 0.33
  10. 0.187
  11. 1.404
  12. 0.132
  13. 22.01
  14. 0.621
  15. 0.195
  16. 1.449
  17. 0.868
  18. 1.943
  19. 0.275
  20. 0.819
  21. 0.264
  22. 1.296
  23. 20.88
  24. 2.09
  25. 1.452
  26. 10.53
  27. 1.551
  28. 0.252
  29. 0.13
  30. 12.42
  31. 0.928
  32. 4.08
  33. 0.552
  34. 1.6
  35. 1.189
  36. 0.396
  37. 0.319
  38. 0.055
  39. 0.96
  40. 0.837

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