← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 710 · 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. 1.285.5 ÷ 100 =
  2. 2.3.74 × 100 =
  3. 3.177.9 × 10 =
  4. 4.37.16 ÷ 100 =
  5. 5.28.72 × 100 =
  6. 6.339.3 × 1000 =
  7. 7.1.51 ÷ 100 =
  8. 8.448.2 ÷ 10 =
  9. 9.370.9 ÷ 1000 =
  10. 10.436.5 × 100 =
  11. 11.23.48 ÷ 10 =
  12. 12.37.75 × 100 =
  13. 13.4.99 × 1000 =
  14. 14.243.1 ÷ 10 =
  15. 15.78.4 × 100 =
  16. 16.11.74 × 1000 =
  17. 17.36.51 × 100 =
  18. 18.5.68 × 1000 =
  19. 19.153.9 ÷ 10 =
  20. 20.40.81 × 100 =
  21. 21.31.72 × 1000 =
  22. 22.22.9 ÷ 1000 =
  23. 23.80.4 × 10 =
  24. 24.491.1 × 100 =
  25. 25.489.9 ÷ 100 =
  26. 26.137.7 ÷ 1000 =
  27. 27.456.5 ÷ 10 =
  28. 28.78.4 × 100 =
  29. 29.3.99 ÷ 100 =
  30. 30.269.6 × 10 =
  31. 31.46.11 × 100 =
  32. 32.89.5 ÷ 1000 =
  33. 33.32.58 ÷ 100 =
  34. 34.8.68 × 100 =
  35. 35.455.6 ÷ 1000 =
  36. 36.172.1 × 100 =
  37. 37.21.47 ÷ 100 =
  38. 38.20.21 × 1000 =
  39. 39.129.1 ÷ 10 =
  40. 40.213.6 × 100 =

Answer key

  1. 2.855
  2. 374
  3. 1779
  4. 0.3716
  5. 2872
  6. 339300
  7. 0.0151
  8. 44.82
  9. 0.3709
  10. 43650
  11. 2.348
  12. 3775
  13. 4990
  14. 24.31
  15. 7840
  16. 11740
  17. 3651
  18. 5680
  19. 15.39
  20. 4081
  21. 31720
  22. 0.0229
  23. 804
  24. 49110
  25. 4.899
  26. 0.1377
  27. 45.65
  28. 7840
  29. 0.0399
  30. 2696
  31. 4611
  32. 0.0895
  33. 0.3258
  34. 868
  35. 0.4556
  36. 17210
  37. 0.2147
  38. 20210
  39. 12.91
  40. 21360

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