← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 933 · 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. 1.48.13 × 10 =
  2. 2.381.5 × 10 =
  3. 3.48.25 ÷ 10 =
  4. 4.446.6 ÷ 100 =
  5. 5.27.48 × 10 =
  6. 6.15.51 ÷ 100 =
  7. 7.25.39 × 1000 =
  8. 8.27.15 ÷ 10 =
  9. 9.31.84 ÷ 100 =
  10. 10.140.9 ÷ 100 =
  11. 11.67.5 × 10 =
  12. 12.403.5 ÷ 100 =
  13. 13.77.6 × 100 =
  14. 14.61.4 × 100 =
  15. 15.192.6 ÷ 1000 =
  16. 16.9.08 ÷ 100 =
  17. 17.40.54 × 100 =
  18. 18.19.65 × 1000 =
  19. 19.6.15 ÷ 10 =
  20. 20.234.4 × 10 =
  21. 21.165.2 × 1000 =
  22. 22.0.82 × 1000 =
  23. 23.13.28 ÷ 1000 =
  24. 24.357.6 × 100 =
  25. 25.14.21 × 10 =
  26. 26.43.61 ÷ 100 =
  27. 27.253.2 ÷ 10 =
  28. 28.272.4 ÷ 1000 =
  29. 29.9.91 ÷ 1000 =
  30. 30.115.5 ÷ 1000 =
  31. 31.22.89 ÷ 10 =
  32. 32.20.42 × 100 =
  33. 33.70.1 ÷ 1000 =
  34. 34.415.2 × 1000 =
  35. 35.43.95 ÷ 1000 =
  36. 36.20.69 × 100 =
  37. 37.23.4 × 100 =
  38. 38.36.43 ÷ 10 =
  39. 39.30.1 × 10 =
  40. 40.472.3 ÷ 10 =

Answer key

  1. 481.3
  2. 3815
  3. 4.825
  4. 4.466
  5. 274.8
  6. 0.1551
  7. 25390
  8. 2.715
  9. 0.3184
  10. 1.409
  11. 675
  12. 4.035
  13. 7760
  14. 6140
  15. 0.1926
  16. 0.0908
  17. 4054
  18. 19650
  19. 0.615
  20. 2344
  21. 165200
  22. 820
  23. 0.01328
  24. 35760
  25. 142.1
  26. 0.4361
  27. 25.32
  28. 0.2724
  29. 0.00991
  30. 0.1155
  31. 2.289
  32. 2042
  33. 0.0701
  34. 415200
  35. 0.04395
  36. 2069
  37. 2340
  38. 3.643
  39. 301
  40. 47.23

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