← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 47 · 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. 1.47.4 ÷ 10 =
  2. 2.45.19 × 100 =
  3. 3.124.8 × 1000 =
  4. 4.475.8 ÷ 10 =
  5. 5.399.2 × 100 =
  6. 6.21.73 × 100 =
  7. 7.1.82 × 10 =
  8. 8.29.51 × 10 =
  9. 9.0.69 × 100 =
  10. 10.27.61 ÷ 100 =
  11. 11.48.61 × 10 =
  12. 12.315.1 × 10 =
  13. 13.28.77 × 1000 =
  14. 14.42.64 × 1000 =
  15. 15.7.56 × 100 =
  16. 16.68.1 × 1000 =
  17. 17.11.5 × 10 =
  18. 18.44.71 × 10 =
  19. 19.36.35 × 1000 =
  20. 20.13.16 × 1000 =
  21. 21.11.76 ÷ 10 =
  22. 22.482.1 × 1000 =
  23. 23.396.4 ÷ 100 =
  24. 24.301.5 ÷ 100 =
  25. 25.43.97 × 1000 =
  26. 26.210.5 ÷ 1000 =
  27. 27.153.6 × 1000 =
  28. 28.432.1 ÷ 100 =
  29. 29.40.61 ÷ 100 =
  30. 30.447.5 ÷ 1000 =
  31. 31.19.16 ÷ 1000 =
  32. 32.48.91 × 100 =
  33. 33.328.7 ÷ 1000 =
  34. 34.263.1 × 10 =
  35. 35.47.51 ÷ 1000 =
  36. 36.321.9 ÷ 1000 =
  37. 37.20.73 × 10 =
  38. 38.47.08 ÷ 10 =
  39. 39.3.83 × 10 =
  40. 40.192.1 × 10 =

Answer key

  1. 4.74
  2. 4519
  3. 124800
  4. 47.58
  5. 39920
  6. 2173
  7. 18.2
  8. 295.1
  9. 69
  10. 0.2761
  11. 486.1
  12. 3151
  13. 28770
  14. 42640
  15. 756
  16. 68100
  17. 115
  18. 447.1
  19. 36350
  20. 13160
  21. 1.176
  22. 482100
  23. 3.964
  24. 3.015
  25. 43970
  26. 0.2105
  27. 153600
  28. 4.321
  29. 0.4061
  30. 0.4475
  31. 0.01916
  32. 4891
  33. 0.3287
  34. 2631
  35. 0.04751
  36. 0.3219
  37. 207.3
  38. 4.708
  39. 38.3
  40. 1921

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