← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 252 · 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. 1.20.8 ÷ 100 =
  2. 2.400.4 × 1000 =
  3. 3.26.31 × 10 =
  4. 4.167.7 ÷ 100 =
  5. 5.1.13 × 100 =
  6. 6.32.83 ÷ 1000 =
  7. 7.3.84 ÷ 100 =
  8. 8.41.82 × 10 =
  9. 9.344.1 ÷ 100 =
  10. 10.6.07 ÷ 100 =
  11. 11.22.44 × 10 =
  12. 12.26.71 × 100 =
  13. 13.37.37 ÷ 10 =
  14. 14.185.9 ÷ 10 =
  15. 15.28.41 × 10 =
  16. 16.49.72 × 100 =
  17. 17.3.01 ÷ 10 =
  18. 18.105.2 ÷ 10 =
  19. 19.368.1 × 100 =
  20. 20.6.73 × 10 =
  21. 21.44.23 ÷ 100 =
  22. 22.1.33 × 100 =
  23. 23.15.44 × 100 =
  24. 24.9.99 ÷ 10 =
  25. 25.120.8 × 1000 =
  26. 26.396.1 ÷ 10 =
  27. 27.356.7 × 1000 =
  28. 28.200.5 × 1000 =
  29. 29.82.2 ÷ 100 =
  30. 30.431.8 ÷ 100 =
  31. 31.10.89 ÷ 1000 =
  32. 32.10.97 ÷ 100 =
  33. 33.13.66 × 10 =
  34. 34.442.1 × 100 =
  35. 35.493.2 × 10 =
  36. 36.39.11 ÷ 100 =
  37. 37.334.1 × 1000 =
  38. 38.23.07 × 10 =
  39. 39.28.1 ÷ 1000 =
  40. 40.6.72 × 1000 =

Answer key

  1. 0.208
  2. 400400
  3. 263.1
  4. 1.677
  5. 113
  6. 0.03283
  7. 0.0384
  8. 418.2
  9. 3.441
  10. 0.0607
  11. 224.4
  12. 2671
  13. 3.737
  14. 18.59
  15. 284.1
  16. 4972
  17. 0.301
  18. 10.52
  19. 36810
  20. 67.3
  21. 0.4423
  22. 133
  23. 1544
  24. 0.999
  25. 120800
  26. 39.61
  27. 356700
  28. 200500
  29. 0.822
  30. 4.318
  31. 0.01089
  32. 0.1097
  33. 136.6
  34. 44210
  35. 4932
  36. 0.3911
  37. 334100
  38. 230.7
  39. 0.0281
  40. 6720

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths