← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 669 · 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. 1.190.1 × 10 =
  2. 2.95.5 × 10 =
  3. 3.381.7 × 10 =
  4. 4.39.17 × 1000 =
  5. 5.12.3 ÷ 10 =
  6. 6.194.7 × 100 =
  7. 7.7.62 × 1000 =
  8. 8.139.1 ÷ 1000 =
  9. 9.160.7 ÷ 1000 =
  10. 10.378.8 × 1000 =
  11. 11.89.1 ÷ 10 =
  12. 12.296.7 × 100 =
  13. 13.6.37 ÷ 10 =
  14. 14.0.92 × 1000 =
  15. 15.152.3 × 100 =
  16. 16.37.58 × 1000 =
  17. 17.454.8 × 100 =
  18. 18.490.3 ÷ 10 =
  19. 19.31.01 × 100 =
  20. 20.146.3 ÷ 10 =
  21. 21.46.33 × 1000 =
  22. 22.37.71 ÷ 10 =
  23. 23.40.78 ÷ 1000 =
  24. 24.33.15 ÷ 100 =
  25. 25.397.4 ÷ 10 =
  26. 26.72.1 × 100 =
  27. 27.224.9 × 10 =
  28. 28.267.4 × 100 =
  29. 29.12.5 ÷ 10 =
  30. 30.7.81 ÷ 1000 =
  31. 31.173.6 × 10 =
  32. 32.28.99 ÷ 1000 =
  33. 33.6.46 × 10 =
  34. 34.69.9 ÷ 10 =
  35. 35.33.46 × 10 =
  36. 36.27.57 ÷ 1000 =
  37. 37.17.8 × 10 =
  38. 38.381.1 ÷ 1000 =
  39. 39.29.41 ÷ 1000 =
  40. 40.12.33 × 100 =

Answer key

  1. 1901
  2. 955
  3. 3817
  4. 39170
  5. 1.23
  6. 19470
  7. 7620
  8. 0.1391
  9. 0.1607
  10. 378800
  11. 8.91
  12. 29670
  13. 0.637
  14. 920
  15. 15230
  16. 37580
  17. 45480
  18. 49.03
  19. 3101
  20. 14.63
  21. 46330
  22. 3.771
  23. 0.04078
  24. 0.3315
  25. 39.74
  26. 7210
  27. 2249
  28. 26740
  29. 1.25
  30. 0.00781
  31. 1736
  32. 0.02899
  33. 64.6
  34. 6.99
  35. 334.6
  36. 0.02757
  37. 178
  38. 0.3811
  39. 0.02941
  40. 1233

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