← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 555 · 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. 1.382.3 × 1000 =
  2. 2.87.1 × 100 =
  3. 3.45.56 × 10 =
  4. 4.388.1 ÷ 100 =
  5. 5.49.51 ÷ 1000 =
  6. 6.7.7 × 1000 =
  7. 7.276.7 × 100 =
  8. 8.66.3 ÷ 10 =
  9. 9.2.63 × 1000 =
  10. 10.113.3 × 1000 =
  11. 11.167.6 × 100 =
  12. 12.44.33 × 100 =
  13. 13.13.38 ÷ 100 =
  14. 14.6.84 × 1000 =
  15. 15.114.6 × 1000 =
  16. 16.19.63 ÷ 10 =
  17. 17.498.1 ÷ 1000 =
  18. 18.31.19 ÷ 100 =
  19. 19.32.5 × 100 =
  20. 20.191.6 ÷ 10 =
  21. 21.48.5 ÷ 100 =
  22. 22.33.4 × 10 =
  23. 23.41.51 × 100 =
  24. 24.32.39 × 10 =
  25. 25.36.06 × 10 =
  26. 26.351.9 ÷ 10 =
  27. 27.433.3 ÷ 10 =
  28. 28.25.44 ÷ 1000 =
  29. 29.23.97 ÷ 100 =
  30. 30.487.1 × 10 =
  31. 31.18.97 ÷ 100 =
  32. 32.238.5 × 10 =
  33. 33.132.1 × 1000 =
  34. 34.335.8 × 10 =
  35. 35.35.05 × 1000 =
  36. 36.17.7 ÷ 100 =
  37. 37.1.29 ÷ 100 =
  38. 38.18.29 ÷ 100 =
  39. 39.14.08 × 1000 =
  40. 40.229.3 × 100 =

Answer key

  1. 382300
  2. 8710
  3. 455.6
  4. 3.881
  5. 0.04951
  6. 7700
  7. 27670
  8. 6.63
  9. 2630
  10. 113300
  11. 16760
  12. 4433
  13. 0.1338
  14. 6840
  15. 114600
  16. 1.963
  17. 0.4981
  18. 0.3119
  19. 3250
  20. 19.16
  21. 0.485
  22. 334
  23. 4151
  24. 323.9
  25. 360.6
  26. 35.19
  27. 43.33
  28. 0.02544
  29. 0.2397
  30. 4871
  31. 0.1897
  32. 2385
  33. 132100
  34. 3358
  35. 35050
  36. 0.177
  37. 0.0129
  38. 0.1829
  39. 14080
  40. 22930

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