← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 889 · 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. 1.6.98 ÷ 10 =
  2. 2.23.61 × 100 =
  3. 3.148.6 ÷ 100 =
  4. 4.33.58 × 100 =
  5. 5.17.97 ÷ 100 =
  6. 6.46.4 × 1000 =
  7. 7.40.52 ÷ 1000 =
  8. 8.139.1 × 100 =
  9. 9.25.03 ÷ 100 =
  10. 10.368.5 ÷ 10 =
  11. 11.39.51 × 100 =
  12. 12.44.61 × 100 =
  13. 13.274.5 × 10 =
  14. 14.20.97 × 10 =
  15. 15.38.91 × 100 =
  16. 16.11.01 × 100 =
  17. 17.7.42 × 1000 =
  18. 18.24.22 × 1000 =
  19. 19.298.1 ÷ 10 =
  20. 20.19.14 × 100 =
  21. 21.2.07 × 100 =
  22. 22.40.96 ÷ 100 =
  23. 23.0.25 ÷ 1000 =
  24. 24.2.93 × 10 =
  25. 25.72.1 ÷ 100 =
  26. 26.338.9 ÷ 10 =
  27. 27.387.4 × 100 =
  28. 28.3.19 × 1000 =
  29. 29.75.1 ÷ 1000 =
  30. 30.111.8 × 1000 =
  31. 31.291.9 ÷ 10 =
  32. 32.322.1 × 10 =
  33. 33.497.1 × 10 =
  34. 34.6.42 ÷ 100 =
  35. 35.39.24 × 100 =
  36. 36.49.02 ÷ 1000 =
  37. 37.223.6 ÷ 1000 =
  38. 38.491.3 ÷ 100 =
  39. 39.412.5 ÷ 10 =
  40. 40.154.9 ÷ 10 =

Answer key

  1. 0.698
  2. 2361
  3. 1.486
  4. 3358
  5. 0.1797
  6. 46400
  7. 0.04052
  8. 13910
  9. 0.2503
  10. 36.85
  11. 3951
  12. 4461
  13. 2745
  14. 209.7
  15. 3891
  16. 1101
  17. 7420
  18. 24220
  19. 29.81
  20. 1914
  21. 207
  22. 0.4096
  23. 0.00025
  24. 29.3
  25. 0.721
  26. 33.89
  27. 38740
  28. 3190
  29. 0.0751
  30. 111800
  31. 29.19
  32. 3221
  33. 4971
  34. 0.0642
  35. 3924
  36. 0.04902
  37. 0.2236
  38. 4.913
  39. 41.25
  40. 15.49

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