← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 721 · 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. 1.373.8 ÷ 1000 =
  2. 2.192.6 × 1000 =
  3. 3.47.02 ÷ 1000 =
  4. 4.37.54 × 10 =
  5. 5.48.01 ÷ 10 =
  6. 6.497.1 ÷ 1000 =
  7. 7.7.43 × 1000 =
  8. 8.246.5 × 1000 =
  9. 9.42.1 × 1000 =
  10. 10.2.05 × 100 =
  11. 11.326.7 ÷ 1000 =
  12. 12.6.33 ÷ 10 =
  13. 13.39.54 × 10 =
  14. 14.192.3 × 1000 =
  15. 15.34.77 × 10 =
  16. 16.45.39 × 1000 =
  17. 17.22.7 × 1000 =
  18. 18.7.06 × 10 =
  19. 19.424.1 × 1000 =
  20. 20.39.42 ÷ 10 =
  21. 21.164.4 × 100 =
  22. 22.16.44 ÷ 1000 =
  23. 23.33.69 ÷ 100 =
  24. 24.7.18 ÷ 10 =
  25. 25.148.1 × 1000 =
  26. 26.156.9 × 1000 =
  27. 27.135.3 ÷ 10 =
  28. 28.304.5 ÷ 10 =
  29. 29.4.53 ÷ 100 =
  30. 30.393.9 ÷ 100 =
  31. 31.221.2 ÷ 10 =
  32. 32.17.47 ÷ 10 =
  33. 33.87.9 ÷ 1000 =
  34. 34.26.04 ÷ 10 =
  35. 35.24.34 × 100 =
  36. 36.464.4 ÷ 10 =
  37. 37.491.4 × 10 =
  38. 38.7.03 ÷ 1000 =
  39. 39.35.46 × 100 =
  40. 40.290.2 ÷ 100 =

Answer key

  1. 0.3738
  2. 192600
  3. 0.04702
  4. 375.4
  5. 4.801
  6. 0.4971
  7. 7430
  8. 246500
  9. 42100
  10. 205
  11. 0.3267
  12. 0.633
  13. 395.4
  14. 192300
  15. 347.7
  16. 45390
  17. 22700
  18. 70.6
  19. 424100
  20. 3.942
  21. 16440
  22. 0.01644
  23. 0.3369
  24. 0.718
  25. 148100
  26. 156900
  27. 13.53
  28. 30.45
  29. 0.0453
  30. 3.939
  31. 22.12
  32. 1.747
  33. 0.0879
  34. 2.604
  35. 2434
  36. 46.44
  37. 4914
  38. 0.00703
  39. 3546
  40. 2.902

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