← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 19 · 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. 1.391.8 ÷ 10 =
  2. 2.6.12 ÷ 10 =
  3. 3.10.53 × 10 =
  4. 4.21.66 × 1000 =
  5. 5.41.57 ÷ 1000 =
  6. 6.48.35 ÷ 1000 =
  7. 7.10.07 × 100 =
  8. 8.6.61 ÷ 10 =
  9. 9.240.5 × 1000 =
  10. 10.27.83 × 1000 =
  11. 11.24.94 ÷ 1000 =
  12. 12.231.7 × 1000 =
  13. 13.207.8 ÷ 100 =
  14. 14.189.3 ÷ 10 =
  15. 15.200.1 ÷ 1000 =
  16. 16.39.12 ÷ 1000 =
  17. 17.11.75 ÷ 10 =
  18. 18.11.28 ÷ 100 =
  19. 19.48.08 ÷ 10 =
  20. 20.389.8 × 100 =
  21. 21.380.5 × 10 =
  22. 22.121.6 × 100 =
  23. 23.403.1 × 100 =
  24. 24.146.1 × 100 =
  25. 25.69.9 ÷ 10 =
  26. 26.10.33 × 10 =
  27. 27.39.3 ÷ 10 =
  28. 28.133.5 × 100 =
  29. 29.20.21 × 100 =
  30. 30.61.2 ÷ 10 =
  31. 31.26.39 ÷ 1000 =
  32. 32.234.9 ÷ 1000 =
  33. 33.376.4 × 10 =
  34. 34.42.6 × 1000 =
  35. 35.27.16 ÷ 10 =
  36. 36.21.96 × 1000 =
  37. 37.105.8 ÷ 100 =
  38. 38.334.1 × 100 =
  39. 39.60.1 ÷ 10 =
  40. 40.174.9 × 10 =

Answer key

  1. 39.18
  2. 0.612
  3. 105.3
  4. 21660
  5. 0.04157
  6. 0.04835
  7. 1007
  8. 0.661
  9. 240500
  10. 27830
  11. 0.02494
  12. 231700
  13. 2.078
  14. 18.93
  15. 0.2001
  16. 0.03912
  17. 1.175
  18. 0.1128
  19. 4.808
  20. 38980
  21. 3805
  22. 12160
  23. 40310
  24. 14610
  25. 6.99
  26. 103.3
  27. 3.93
  28. 13350
  29. 2021
  30. 6.12
  31. 0.02639
  32. 0.2349
  33. 3764
  34. 42600
  35. 2.716
  36. 21960
  37. 1.058
  38. 33410
  39. 6.01
  40. 1749

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