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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 545 · 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. 1.3.4 × 0.16 =
  2. 2.0.48 × 3.7 =
  3. 3.7.7 × 0.02 =
  4. 4.7.7 × 0.11 =
  5. 5.0.57 × 0.2 =
  6. 6.0.8 × 0.34 =
  7. 7.6.1 × 0.13 =
  8. 8.0.15 × 2.1 =
  9. 9.0.99 × 2.4 =
  10. 10.1.1 × 0.24 =
  11. 11.2.9 × 0.31 =
  12. 12.0.86 × 0.3 =
  13. 13.1.7 × 3.9 =
  14. 14.3.6 × 0.25 =
  15. 15.3.1 × 0.28 =
  16. 16.0.22 × 1.9 =
  17. 17.2.1 × 0.21 =
  18. 18.0.96 × 3.1 =
  19. 19.0.52 × 0.5 =
  20. 20.0.6 × 0.29 =
  21. 21.0.6 × 0.29 =
  22. 22.1.4 × 0.07 =
  23. 23.0.16 × 1.9 =
  24. 24.2.8 × 0.4 =
  25. 25.0.16 × 1.1 =
  26. 26.5.7 × 0.27 =
  27. 27.0.71 × 1.2 =
  28. 28.5.8 × 0.31 =
  29. 29.0.58 × 3.3 =
  30. 30.6.1 × 0.3 =
  31. 31.0.98 × 0.4 =
  32. 32.0.6 × 0.19 =
  33. 33.0.41 × 1.2 =
  34. 34.5.5 × 1.5 =
  35. 35.0.11 × 0.6 =
  36. 36.5.8 × 0.27 =
  37. 37.9.7 × 2.8 =
  38. 38.0.7 × 0.24 =
  39. 39.0.21 × 1.2 =
  40. 40.0.86 × 0.2 =

Answer key

  1. 0.544
  2. 1.776
  3. 0.154
  4. 0.847
  5. 0.114
  6. 0.272
  7. 0.793
  8. 0.315
  9. 2.376
  10. 0.264
  11. 0.899
  12. 0.258
  13. 6.63
  14. 0.9
  15. 0.868
  16. 0.418
  17. 0.441
  18. 2.976
  19. 0.26
  20. 0.174
  21. 0.174
  22. 0.098
  23. 0.304
  24. 1.12
  25. 0.176
  26. 1.539
  27. 0.852
  28. 1.798
  29. 1.914
  30. 1.83
  31. 0.392
  32. 0.114
  33. 0.492
  34. 8.25
  35. 0.066
  36. 1.566
  37. 27.16
  38. 0.168
  39. 0.252
  40. 0.172

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