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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 528 · 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. 1.0.02 × 2.6 =
  2. 2.0.91 × 1.6 =
  3. 3.0.07 × 2.5 =
  4. 4.0.36 × 3.1 =
  5. 5.0.27 × 0.9 =
  6. 6.0.72 × 3.8 =
  7. 7.4.4 × 0.21 =
  8. 8.0.39 × 0.8 =
  9. 9.0.26 × 3.9 =
  10. 10.6.2 × 3.4 =
  11. 11.0.31 × 2.3 =
  12. 12.2.8 × 0.2 =
  13. 13.0.57 × 1.1 =
  14. 14.8.7 × 3.7 =
  15. 15.6.6 × 1.1 =
  16. 16.9.3 × 0.31 =
  17. 17.7.8 × 0.23 =
  18. 18.9.7 × 2.5 =
  19. 19.3.3 × 0.21 =
  20. 20.4.6 × 3.6 =
  21. 21.2.4 × 1.1 =
  22. 22.0.73 × 2.8 =
  23. 23.5.3 × 3.4 =
  24. 24.0.02 × 0.6 =
  25. 25.0.28 × 2.2 =
  26. 26.0.81 × 3.8 =
  27. 27.0.45 × 2.1 =
  28. 28.3.9 × 2.3 =
  29. 29.4.5 × 1.2 =
  30. 30.0.29 × 2.9 =
  31. 31.1.7 × 3.3 =
  32. 32.0.96 × 0.2 =
  33. 33.0.97 × 2.6 =
  34. 34.9.7 × 3.5 =
  35. 35.1.5 × 0.05 =
  36. 36.0.84 × 1.8 =
  37. 37.0.16 × 3.5 =
  38. 38.4.3 × 0.38 =
  39. 39.0.67 × 0.9 =
  40. 40.0.86 × 3.9 =

Answer key

  1. 0.052
  2. 1.456
  3. 0.175
  4. 1.116
  5. 0.243
  6. 2.736
  7. 0.924
  8. 0.312
  9. 1.014
  10. 21.08
  11. 0.713
  12. 0.56
  13. 0.627
  14. 32.19
  15. 7.26
  16. 2.883
  17. 1.794
  18. 24.25
  19. 0.693
  20. 16.56
  21. 2.64
  22. 2.044
  23. 18.02
  24. 0.012
  25. 0.616
  26. 3.078
  27. 0.945
  28. 8.97
  29. 5.4
  30. 0.841
  31. 5.61
  32. 0.192
  33. 2.522
  34. 33.95
  35. 0.075
  36. 1.512
  37. 0.56
  38. 1.634
  39. 0.603
  40. 3.354

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