← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 272 · 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. 1.299.7 × 1000 =
  2. 2.209.5 ÷ 100 =
  3. 3.45.35 × 1000 =
  4. 4.15.41 × 1000 =
  5. 5.0.54 ÷ 10 =
  6. 6.25.04 ÷ 10 =
  7. 7.12.77 × 1000 =
  8. 8.21.35 ÷ 10 =
  9. 9.40.78 × 10 =
  10. 10.47.58 × 1000 =
  11. 11.434.1 × 1000 =
  12. 12.9.93 × 100 =
  13. 13.29.03 ÷ 100 =
  14. 14.159.9 × 10 =
  15. 15.166.7 ÷ 100 =
  16. 16.454.4 × 10 =
  17. 17.41.51 ÷ 1000 =
  18. 18.13.74 × 10 =
  19. 19.357.5 × 100 =
  20. 20.130.5 × 10 =
  21. 21.46.21 ÷ 100 =
  22. 22.82.5 × 1000 =
  23. 23.183.3 × 100 =
  24. 24.345.6 ÷ 100 =
  25. 25.267.9 × 1000 =
  26. 26.1.9 ÷ 1000 =
  27. 27.32.11 × 100 =
  28. 28.12.47 ÷ 100 =
  29. 29.291.7 ÷ 1000 =
  30. 30.47.87 × 10 =
  31. 31.32.77 × 1000 =
  32. 32.23.74 ÷ 100 =
  33. 33.33.18 ÷ 10 =
  34. 34.369.3 ÷ 10 =
  35. 35.429.6 ÷ 10 =
  36. 36.91.6 ÷ 1000 =
  37. 37.36.44 × 100 =
  38. 38.47.73 × 10 =
  39. 39.22.12 × 100 =
  40. 40.360.5 ÷ 100 =

Answer key

  1. 299700
  2. 2.095
  3. 45350
  4. 15410
  5. 0.054
  6. 2.504
  7. 12770
  8. 2.135
  9. 407.8
  10. 47580
  11. 434100
  12. 993
  13. 0.2903
  14. 1599
  15. 1.667
  16. 4544
  17. 0.04151
  18. 137.4
  19. 35750
  20. 1305
  21. 0.4621
  22. 82500
  23. 18330
  24. 3.456
  25. 267900
  26. 0.0019
  27. 3211
  28. 0.1247
  29. 0.2917
  30. 478.7
  31. 32770
  32. 0.2374
  33. 3.318
  34. 36.93
  35. 42.96
  36. 0.0916
  37. 3644
  38. 477.3
  39. 2212
  40. 3.605

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