← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 951 · 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. 1.14.14 × 1000 =
  2. 2.18.41 × 1000 =
  3. 3.436.1 × 100 =
  4. 4.429.7 × 1000 =
  5. 5.10.65 × 10 =
  6. 6.498.4 ÷ 10 =
  7. 7.434.9 ÷ 100 =
  8. 8.409.5 × 1000 =
  9. 9.34.87 × 100 =
  10. 10.453.1 × 100 =
  11. 11.45.5 ÷ 100 =
  12. 12.403.4 ÷ 100 =
  13. 13.16.83 ÷ 10 =
  14. 14.35.1 ÷ 10 =
  15. 15.45.32 × 10 =
  16. 16.71.6 × 10 =
  17. 17.117.5 ÷ 1000 =
  18. 18.220.5 × 1000 =
  19. 19.300.4 × 100 =
  20. 20.220.1 × 10 =
  21. 21.420.7 × 100 =
  22. 22.45.52 × 1000 =
  23. 23.146.1 × 10 =
  24. 24.247.7 ÷ 100 =
  25. 25.36.85 × 100 =
  26. 26.1.52 ÷ 10 =
  27. 27.149.2 ÷ 10 =
  28. 28.11.5 × 100 =
  29. 29.434.8 × 100 =
  30. 30.0.28 ÷ 100 =
  31. 31.12.7 × 10 =
  32. 32.88.4 ÷ 10 =
  33. 33.47.02 × 100 =
  34. 34.38.2 × 10 =
  35. 35.34.21 ÷ 100 =
  36. 36.38.41 ÷ 1000 =
  37. 37.20.05 × 1000 =
  38. 38.30.46 ÷ 10 =
  39. 39.37.92 × 10 =
  40. 40.22.2 ÷ 10 =

Answer key

  1. 14140
  2. 18410
  3. 43610
  4. 429700
  5. 106.5
  6. 49.84
  7. 4.349
  8. 409500
  9. 3487
  10. 45310
  11. 0.455
  12. 4.034
  13. 1.683
  14. 3.51
  15. 453.2
  16. 716
  17. 0.1175
  18. 220500
  19. 30040
  20. 2201
  21. 42070
  22. 45520
  23. 1461
  24. 2.477
  25. 3685
  26. 0.152
  27. 14.92
  28. 1150
  29. 43480
  30. 0.0028
  31. 127
  32. 8.84
  33. 4702
  34. 382
  35. 0.3421
  36. 0.03841
  37. 20050
  38. 3.046
  39. 379.2
  40. 2.22

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