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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 928 · 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. 1.5.9 × 1.9 =
  2. 2.0.59 × 3.9 =
  3. 3.0.81 × 0.8 =
  4. 4.7.1 × 0.33 =
  5. 5.0.5 × 0.38 =
  6. 6.6.5 × 0.14 =
  7. 7.6.7 × 1.5 =
  8. 8.2.9 × 0.31 =
  9. 9.2.3 × 2.6 =
  10. 10.8.4 × 0.12 =
  11. 11.4.7 × 0.04 =
  12. 12.1.7 × 0.5 =
  13. 13.1.8 × 0.31 =
  14. 14.0.41 × 0.5 =
  15. 15.1.1 × 0.7 =
  16. 16.7.8 × 0.7 =
  17. 17.0.16 × 0.9 =
  18. 18.0.44 × 1.7 =
  19. 19.0.15 × 1.7 =
  20. 20.3.7 × 0.15 =
  21. 21.2.1 × 0.09 =
  22. 22.9.9 × 0.32 =
  23. 23.0.24 × 3.8 =
  24. 24.2.6 × 2.2 =
  25. 25.0.07 × 1.6 =
  26. 26.0.41 × 2.8 =
  27. 27.0.39 × 3.8 =
  28. 28.8.9 × 0.08 =
  29. 29.2.5 × 2.6 =
  30. 30.0.93 × 3.3 =
  31. 31.2.8 × 0.25 =
  32. 32.0.05 × 3.8 =
  33. 33.3.8 × 0.25 =
  34. 34.0.34 × 1.6 =
  35. 35.0.83 × 1.7 =
  36. 36.8.8 × 1.8 =
  37. 37.1.1 × 0.9 =
  38. 38.0.59 × 3.7 =
  39. 39.0.35 × 3.5 =
  40. 40.0.69 × 2.7 =

Answer key

  1. 11.21
  2. 2.301
  3. 0.648
  4. 2.343
  5. 0.19
  6. 0.91
  7. 10.05
  8. 0.899
  9. 5.98
  10. 1.008
  11. 0.188
  12. 0.85
  13. 0.558
  14. 0.205
  15. 0.77
  16. 5.46
  17. 0.144
  18. 0.748
  19. 0.255
  20. 0.555
  21. 0.189
  22. 3.168
  23. 0.912
  24. 5.72
  25. 0.112
  26. 1.148
  27. 1.482
  28. 0.712
  29. 6.5
  30. 3.069
  31. 0.7
  32. 0.19
  33. 0.95
  34. 0.544
  35. 1.411
  36. 15.84
  37. 0.99
  38. 2.183
  39. 1.225
  40. 1.863

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