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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 591 · 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. 1.5.64 ÷ 1000 =
  2. 2.45.09 ÷ 10 =
  3. 3.417.5 ÷ 1000 =
  4. 4.412.9 ÷ 10 =
  5. 5.39.52 ÷ 10 =
  6. 6.22.82 × 1000 =
  7. 7.14.19 ÷ 10 =
  8. 8.94.7 × 10 =
  9. 9.11.99 × 10 =
  10. 10.45.46 × 10 =
  11. 11.240.5 ÷ 10 =
  12. 12.150.4 × 100 =
  13. 13.42.01 × 10 =
  14. 14.98.9 × 1000 =
  15. 15.476.5 × 100 =
  16. 16.253.1 × 100 =
  17. 17.114.3 ÷ 10 =
  18. 18.27.98 × 10 =
  19. 19.374.3 × 100 =
  20. 20.37.58 × 100 =
  21. 21.2.01 × 10 =
  22. 22.28.14 ÷ 10 =
  23. 23.446.9 ÷ 10 =
  24. 24.10.09 × 1000 =
  25. 25.104.5 ÷ 100 =
  26. 26.14.4 × 10 =
  27. 27.339.5 × 100 =
  28. 28.264.1 × 1000 =
  29. 29.202.7 ÷ 1000 =
  30. 30.290.7 × 100 =
  31. 31.86.2 ÷ 10 =
  32. 32.5.62 × 10 =
  33. 33.22.74 × 10 =
  34. 34.1.01 × 100 =
  35. 35.22.52 × 100 =
  36. 36.462.6 × 1000 =
  37. 37.24.42 × 1000 =
  38. 38.45.73 ÷ 10 =
  39. 39.498.6 ÷ 10 =
  40. 40.430.3 ÷ 1000 =

Answer key

  1. 0.00564
  2. 4.509
  3. 0.4175
  4. 41.29
  5. 3.952
  6. 22820
  7. 1.419
  8. 947
  9. 119.9
  10. 454.6
  11. 24.05
  12. 15040
  13. 420.1
  14. 98900
  15. 47650
  16. 25310
  17. 11.43
  18. 279.8
  19. 37430
  20. 3758
  21. 20.1
  22. 2.814
  23. 44.69
  24. 10090
  25. 1.045
  26. 144
  27. 33950
  28. 264100
  29. 0.2027
  30. 29070
  31. 8.62
  32. 56.2
  33. 227.4
  34. 101
  35. 2252
  36. 462600
  37. 24420
  38. 4.573
  39. 49.86
  40. 0.4303

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