← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 471 · 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. 1.4.21 × 10 =
  2. 2.270.5 ÷ 10 =
  3. 3.3.01 × 100 =
  4. 4.237.5 ÷ 100 =
  5. 5.38.76 ÷ 1000 =
  6. 6.476.5 × 1000 =
  7. 7.287.3 ÷ 100 =
  8. 8.159.1 ÷ 1000 =
  9. 9.47.65 × 100 =
  10. 10.7.67 ÷ 100 =
  11. 11.284.7 ÷ 100 =
  12. 12.249.9 ÷ 10 =
  13. 13.5.1 ÷ 1000 =
  14. 14.384.3 × 1000 =
  15. 15.447.2 × 1000 =
  16. 16.13.09 × 1000 =
  17. 17.190.1 ÷ 1000 =
  18. 18.22.96 × 10 =
  19. 19.124.1 ÷ 10 =
  20. 20.300.1 ÷ 10 =
  21. 21.14.7 × 100 =
  22. 22.26.61 ÷ 1000 =
  23. 23.179.4 × 10 =
  24. 24.145.4 ÷ 100 =
  25. 25.270.2 × 100 =
  26. 26.1.9 × 10 =
  27. 27.353.8 × 10 =
  28. 28.441.1 ÷ 10 =
  29. 29.363.5 ÷ 1000 =
  30. 30.219.2 × 10 =
  31. 31.234.3 × 1000 =
  32. 32.378.6 × 100 =
  33. 33.336.6 ÷ 100 =
  34. 34.316.1 × 1000 =
  35. 35.36.1 ÷ 1000 =
  36. 36.14.42 × 1000 =
  37. 37.136.1 × 100 =
  38. 38.104.1 ÷ 100 =
  39. 39.25.72 ÷ 100 =
  40. 40.30.69 × 1000 =

Answer key

  1. 42.1
  2. 27.05
  3. 301
  4. 2.375
  5. 0.03876
  6. 476500
  7. 2.873
  8. 0.1591
  9. 4765
  10. 0.0767
  11. 2.847
  12. 24.99
  13. 0.0051
  14. 384300
  15. 447200
  16. 13090
  17. 0.1901
  18. 229.6
  19. 12.41
  20. 30.01
  21. 1470
  22. 0.02661
  23. 1794
  24. 1.454
  25. 27020
  26. 19
  27. 3538
  28. 44.11
  29. 0.3635
  30. 2192
  31. 234300
  32. 37860
  33. 3.366
  34. 316100
  35. 0.0361
  36. 14420
  37. 13610
  38. 1.041
  39. 0.2572
  40. 30690

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