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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 63 · 40 questions
TalentJR

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

NameDateTime takenScore ___ / 40
  1. 1.163.1 × 10 =
  2. 2.26.6 ÷ 10 =
  3. 3.112.7 ÷ 1000 =
  4. 4.38.34 × 1000 =
  5. 5.35.74 × 100 =
  6. 6.14.21 × 100 =
  7. 7.45.7 ÷ 10 =
  8. 8.34.96 × 100 =
  9. 9.88.7 ÷ 10 =
  10. 10.46.55 × 1000 =
  11. 11.57.1 × 1000 =
  12. 12.426.7 × 1000 =
  13. 13.27.11 × 100 =
  14. 14.41.24 ÷ 10 =
  15. 15.445.5 × 10 =
  16. 16.10.05 ÷ 100 =
  17. 17.414.8 × 1000 =
  18. 18.49.11 ÷ 100 =
  19. 19.238.2 ÷ 10 =
  20. 20.68.9 × 10 =
  21. 21.0.27 × 1000 =
  22. 22.22.97 × 1000 =
  23. 23.143.4 ÷ 1000 =
  24. 24.358.1 ÷ 10 =
  25. 25.12.27 × 10 =
  26. 26.294.1 ÷ 1000 =
  27. 27.494.7 × 1000 =
  28. 28.44.03 × 1000 =
  29. 29.14.86 × 10 =
  30. 30.480.1 ÷ 1000 =
  31. 31.6.16 × 100 =
  32. 32.104.1 × 100 =
  33. 33.419.6 × 10 =
  34. 34.283.4 × 100 =
  35. 35.60.8 × 10 =
  36. 36.123.7 ÷ 100 =
  37. 37.31.29 ÷ 10 =
  38. 38.2.65 ÷ 10 =
  39. 39.281.2 ÷ 100 =
  40. 40.26.82 ÷ 10 =

Answer key

  1. 1631
  2. 2.66
  3. 0.1127
  4. 38340
  5. 3574
  6. 1421
  7. 4.57
  8. 3496
  9. 8.87
  10. 46550
  11. 57100
  12. 426700
  13. 2711
  14. 4.124
  15. 4455
  16. 0.1005
  17. 414800
  18. 0.4911
  19. 23.82
  20. 689
  21. 270
  22. 22970
  23. 0.1434
  24. 35.81
  25. 122.7
  26. 0.2941
  27. 494700
  28. 44030
  29. 148.6
  30. 0.4801
  31. 616
  32. 10410
  33. 4196
  34. 28340
  35. 608
  36. 1.237
  37. 3.129
  38. 0.265
  39. 2.812
  40. 2.682

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