← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 396 · 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. 1.17.4 ÷ 100 =
  2. 2.300.9 × 100 =
  3. 3.12.82 × 1000 =
  4. 4.324.8 × 100 =
  5. 5.23.2 ÷ 10 =
  6. 6.30.2 × 1000 =
  7. 7.44.38 ÷ 1000 =
  8. 8.268.7 ÷ 100 =
  9. 9.43.04 × 10 =
  10. 10.453.1 × 100 =
  11. 11.37.1 ÷ 1000 =
  12. 12.17.2 × 1000 =
  13. 13.227.1 × 10 =
  14. 14.487.4 × 10 =
  15. 15.47.85 ÷ 1000 =
  16. 16.4.4 × 10 =
  17. 17.152.4 × 10 =
  18. 18.11.61 × 10 =
  19. 19.274.1 ÷ 10 =
  20. 20.1.09 × 10 =
  21. 21.34.52 × 1000 =
  22. 22.225.4 ÷ 1000 =
  23. 23.209.8 ÷ 10 =
  24. 24.386.8 × 10 =
  25. 25.8.97 ÷ 1000 =
  26. 26.32.67 × 1000 =
  27. 27.7.31 ÷ 10 =
  28. 28.35.35 ÷ 100 =
  29. 29.49.44 ÷ 100 =
  30. 30.32.27 × 1000 =
  31. 31.4.54 × 100 =
  32. 32.457.2 ÷ 10 =
  33. 33.1.55 ÷ 1000 =
  34. 34.162.1 ÷ 100 =
  35. 35.4.62 ÷ 10 =
  36. 36.495.5 × 10 =
  37. 37.41.89 × 1000 =
  38. 38.16.18 ÷ 10 =
  39. 39.107.7 × 100 =
  40. 40.29.1 × 100 =

Answer key

  1. 0.174
  2. 30090
  3. 12820
  4. 32480
  5. 2.32
  6. 30200
  7. 0.04438
  8. 2.687
  9. 430.4
  10. 45310
  11. 0.0371
  12. 17200
  13. 2271
  14. 4874
  15. 0.04785
  16. 44
  17. 1524
  18. 116.1
  19. 27.41
  20. 10.9
  21. 34520
  22. 0.2254
  23. 20.98
  24. 3868
  25. 0.00897
  26. 32670
  27. 0.731
  28. 0.3535
  29. 0.4944
  30. 32270
  31. 454
  32. 45.72
  33. 0.00155
  34. 1.621
  35. 0.462
  36. 4955
  37. 41890
  38. 1.618
  39. 10770
  40. 2910

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