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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 540 · 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. 1.8.2 × 0.2 =
  2. 2.0.46 × 1.1 =
  3. 3.3.4 × 2.1 =
  4. 4.0.08 × 1.9 =
  5. 5.9.8 × 0.31 =
  6. 6.9.2 × 0.07 =
  7. 7.0.67 × 1.7 =
  8. 8.2.6 × 0.04 =
  9. 9.7.7 × 1.1 =
  10. 10.1.1 × 0.14 =
  11. 11.2.4 × 1.1 =
  12. 12.0.59 × 1.8 =
  13. 13.0.88 × 2.2 =
  14. 14.7.2 × 2.5 =
  15. 15.0.54 × 3.1 =
  16. 16.8.7 × 3.7 =
  17. 17.0.55 × 3.7 =
  18. 18.0.8 × 2.8 =
  19. 19.9.1 × 0.36 =
  20. 20.1.1 × 0.39 =
  21. 21.0.68 × 3.2 =
  22. 22.0.37 × 3.4 =
  23. 23.7.6 × 2.3 =
  24. 24.6.8 × 0.08 =
  25. 25.0.54 × 2.1 =
  26. 26.3.6 × 3.1 =
  27. 27.0.91 × 3.1 =
  28. 28.0.11 × 0.9 =
  29. 29.9.9 × 0.24 =
  30. 30.0.52 × 0.6 =
  31. 31.0.85 × 3.1 =
  32. 32.0.6 × 2.7 =
  33. 33.0.31 × 2.7 =
  34. 34.6.3 × 0.27 =
  35. 35.0.09 × 3.5 =
  36. 36.0.29 × 0.2 =
  37. 37.0.6 × 0.04 =
  38. 38.9.8 × 3.6 =
  39. 39.0.98 × 2.1 =
  40. 40.2.6 × 2.9 =

Answer key

  1. 1.64
  2. 0.506
  3. 7.14
  4. 0.152
  5. 3.038
  6. 0.644
  7. 1.139
  8. 0.104
  9. 8.47
  10. 0.154
  11. 2.64
  12. 1.062
  13. 1.936
  14. 18
  15. 1.674
  16. 32.19
  17. 2.035
  18. 2.24
  19. 3.276
  20. 0.429
  21. 2.176
  22. 1.258
  23. 17.48
  24. 0.544
  25. 1.134
  26. 11.16
  27. 2.821
  28. 0.099
  29. 2.376
  30. 0.312
  31. 2.635
  32. 1.62
  33. 0.837
  34. 1.701
  35. 0.315
  36. 0.058
  37. 0.024
  38. 35.28
  39. 2.058
  40. 7.54

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