← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 163 · 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. 1.12.35 ÷ 1000 =
  2. 2.30.5 × 10 =
  3. 3.46.09 × 10 =
  4. 4.292.9 ÷ 10 =
  5. 5.20.61 ÷ 1000 =
  6. 6.4.09 × 100 =
  7. 7.34.55 ÷ 10 =
  8. 8.21.23 ÷ 100 =
  9. 9.48.27 ÷ 1000 =
  10. 10.3.91 × 1000 =
  11. 11.19.91 × 10 =
  12. 12.32.02 × 10 =
  13. 13.36.44 ÷ 100 =
  14. 14.13.25 ÷ 100 =
  15. 15.25.3 × 100 =
  16. 16.43.36 × 1000 =
  17. 17.13.53 ÷ 10 =
  18. 18.114.9 ÷ 10 =
  19. 19.32.15 × 100 =
  20. 20.86.1 ÷ 100 =
  21. 21.0.81 × 10 =
  22. 22.41.63 × 10 =
  23. 23.28.63 ÷ 100 =
  24. 24.4.9 ÷ 10 =
  25. 25.2.99 × 1000 =
  26. 26.126.8 ÷ 100 =
  27. 27.248.3 × 10 =
  28. 28.23.32 ÷ 10 =
  29. 29.483.2 × 100 =
  30. 30.477.5 × 10 =
  31. 31.74.8 × 1000 =
  32. 32.234.8 × 1000 =
  33. 33.135.3 × 100 =
  34. 34.38.11 ÷ 100 =
  35. 35.44.24 ÷ 10 =
  36. 36.237.1 ÷ 10 =
  37. 37.311.8 ÷ 10 =
  38. 38.0.18 ÷ 100 =
  39. 39.39.64 × 100 =
  40. 40.319.9 × 1000 =

Answer key

  1. 0.01235
  2. 305
  3. 460.9
  4. 29.29
  5. 0.02061
  6. 409
  7. 3.455
  8. 0.2123
  9. 0.04827
  10. 3910
  11. 199.1
  12. 320.2
  13. 0.3644
  14. 0.1325
  15. 2530
  16. 43360
  17. 1.353
  18. 11.49
  19. 3215
  20. 0.861
  21. 8.1
  22. 416.3
  23. 0.2863
  24. 0.49
  25. 2990
  26. 1.268
  27. 2483
  28. 2.332
  29. 48320
  30. 4775
  31. 74800
  32. 234800
  33. 13530
  34. 0.3811
  35. 4.424
  36. 23.71
  37. 31.18
  38. 0.0018
  39. 3964
  40. 319900

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