← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 564 · 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. 1.9.92 ÷ 100 =
  2. 2.49.71 × 100 =
  3. 3.161.7 ÷ 1000 =
  4. 4.303.1 × 100 =
  5. 5.324.5 ÷ 100 =
  6. 6.41.2 × 10 =
  7. 7.347.5 ÷ 10 =
  8. 8.10.1 ÷ 1000 =
  9. 9.472.8 ÷ 100 =
  10. 10.30.31 ÷ 10 =
  11. 11.34.31 × 10 =
  12. 12.32.83 ÷ 1000 =
  13. 13.8.43 × 1000 =
  14. 14.101.6 ÷ 1000 =
  15. 15.388.3 × 100 =
  16. 16.2.19 × 100 =
  17. 17.454.4 ÷ 1000 =
  18. 18.218.2 × 100 =
  19. 19.38.72 ÷ 1000 =
  20. 20.49.7 ÷ 10 =
  21. 21.48.54 ÷ 1000 =
  22. 22.332.1 ÷ 10 =
  23. 23.46.41 × 10 =
  24. 24.430.1 ÷ 10 =
  25. 25.191.9 ÷ 10 =
  26. 26.237.6 ÷ 1000 =
  27. 27.496.5 × 10 =
  28. 28.278.1 × 100 =
  29. 29.10.94 ÷ 1000 =
  30. 30.497.2 × 1000 =
  31. 31.84.9 × 100 =
  32. 32.29.55 ÷ 100 =
  33. 33.19.13 × 1000 =
  34. 34.30.01 ÷ 1000 =
  35. 35.61.1 ÷ 100 =
  36. 36.41.8 × 1000 =
  37. 37.31.3 × 100 =
  38. 38.39.47 ÷ 1000 =
  39. 39.2.3 ÷ 100 =
  40. 40.103.9 ÷ 10 =

Answer key

  1. 0.0992
  2. 4971
  3. 0.1617
  4. 30310
  5. 3.245
  6. 412
  7. 34.75
  8. 0.0101
  9. 4.728
  10. 3.031
  11. 343.1
  12. 0.03283
  13. 8430
  14. 0.1016
  15. 38830
  16. 219
  17. 0.4544
  18. 21820
  19. 0.03872
  20. 4.97
  21. 0.04854
  22. 33.21
  23. 464.1
  24. 43.01
  25. 19.19
  26. 0.2376
  27. 4965
  28. 27810
  29. 0.01094
  30. 497200
  31. 8490
  32. 0.2955
  33. 19130
  34. 0.03001
  35. 0.611
  36. 41800
  37. 3130
  38. 0.03947
  39. 0.023
  40. 10.39

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