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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 534 · 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. 1.9.6 × 3.8 =
  2. 2.5.3 × 0.02 =
  3. 3.0.73 × 1.7 =
  4. 4.8.2 × 1.1 =
  5. 5.4.6 × 3.1 =
  6. 6.0.65 × 2.2 =
  7. 7.0.87 × 1.3 =
  8. 8.3.6 × 0.02 =
  9. 9.0.53 × 1.6 =
  10. 10.2.4 × 1.1 =
  11. 11.0.54 × 0.4 =
  12. 12.5.9 × 0.31 =
  13. 13.3.2 × 0.2 =
  14. 14.0.02 × 3.6 =
  15. 15.5.5 × 0.8 =
  16. 16.2.1 × 0.19 =
  17. 17.0.51 × 3.5 =
  18. 18.6.1 × 3.4 =
  19. 19.3.4 × 0.18 =
  20. 20.7.5 × 3.5 =
  21. 21.1.9 × 3.8 =
  22. 22.0.93 × 3.1 =
  23. 23.0.25 × 0.7 =
  24. 24.0.27 × 0.9 =
  25. 25.5.7 × 0.17 =
  26. 26.0.21 × 2.7 =
  27. 27.0.58 × 2.2 =
  28. 28.0.68 × 0.7 =
  29. 29.1.6 × 0.3 =
  30. 30.0.11 × 3.2 =
  31. 31.0.21 × 1.6 =
  32. 32.8.4 × 0.11 =
  33. 33.0.47 × 0.3 =
  34. 34.8.4 × 0.32 =
  35. 35.0.03 × 3.1 =
  36. 36.0.47 × 1.4 =
  37. 37.0.17 × 0.9 =
  38. 38.2.5 × 0.3 =
  39. 39.5.6 × 0.26 =
  40. 40.8.5 × 1.5 =

Answer key

  1. 36.48
  2. 0.106
  3. 1.241
  4. 9.02
  5. 14.26
  6. 1.43
  7. 1.131
  8. 0.072
  9. 0.848
  10. 2.64
  11. 0.216
  12. 1.829
  13. 0.64
  14. 0.072
  15. 4.4
  16. 0.399
  17. 1.785
  18. 20.74
  19. 0.612
  20. 26.25
  21. 7.22
  22. 2.883
  23. 0.175
  24. 0.243
  25. 0.969
  26. 0.567
  27. 1.276
  28. 0.476
  29. 0.48
  30. 0.352
  31. 0.336
  32. 0.924
  33. 0.141
  34. 2.688
  35. 0.093
  36. 0.658
  37. 0.153
  38. 0.75
  39. 1.456
  40. 12.75

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