← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 980 · 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. 1.280.7 × 100 =
  2. 2.409.9 ÷ 10 =
  3. 3.7.41 ÷ 100 =
  4. 4.146.7 × 10 =
  5. 5.36.11 ÷ 10 =
  6. 6.33.31 ÷ 1000 =
  7. 7.469.5 ÷ 100 =
  8. 8.13.83 ÷ 1000 =
  9. 9.375.6 × 10 =
  10. 10.311.9 × 1000 =
  11. 11.252.8 ÷ 10 =
  12. 12.11.03 × 100 =
  13. 13.224.8 × 1000 =
  14. 14.42.04 ÷ 10 =
  15. 15.365.8 ÷ 100 =
  16. 16.6.94 × 10 =
  17. 17.311.3 ÷ 1000 =
  18. 18.22.09 ÷ 10 =
  19. 19.28.1 × 1000 =
  20. 20.472.2 ÷ 1000 =
  21. 21.47.72 ÷ 1000 =
  22. 22.24.71 ÷ 1000 =
  23. 23.29.98 ÷ 100 =
  24. 24.424.2 ÷ 10 =
  25. 25.96.9 ÷ 1000 =
  26. 26.113.5 ÷ 100 =
  27. 27.238.3 × 1000 =
  28. 28.25.71 × 10 =
  29. 29.34.79 × 1000 =
  30. 30.244.2 ÷ 100 =
  31. 31.459.4 × 1000 =
  32. 32.160.8 ÷ 10 =
  33. 33.39.73 × 100 =
  34. 34.182.3 ÷ 10 =
  35. 35.463.1 × 1000 =
  36. 36.14.15 × 100 =
  37. 37.87.1 × 10 =
  38. 38.35.37 × 100 =
  39. 39.150.7 ÷ 100 =
  40. 40.30.84 ÷ 10 =

Answer key

  1. 28070
  2. 40.99
  3. 0.0741
  4. 1467
  5. 3.611
  6. 0.03331
  7. 4.695
  8. 0.01383
  9. 3756
  10. 311900
  11. 25.28
  12. 1103
  13. 224800
  14. 4.204
  15. 3.658
  16. 69.4
  17. 0.3113
  18. 2.209
  19. 28100
  20. 0.4722
  21. 0.04772
  22. 0.02471
  23. 0.2998
  24. 42.42
  25. 0.0969
  26. 1.135
  27. 238300
  28. 257.1
  29. 34790
  30. 2.442
  31. 459400
  32. 16.08
  33. 3973
  34. 18.23
  35. 463100
  36. 1415
  37. 871
  38. 3537
  39. 1.507
  40. 3.084

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