← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 190 · 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. 1.24.3 × 100 =
  2. 2.11.8 × 10 =
  3. 3.377.9 ÷ 1000 =
  4. 4.20.6 × 100 =
  5. 5.4.97 ÷ 1000 =
  6. 6.138.8 ÷ 100 =
  7. 7.283.9 × 100 =
  8. 8.26.22 × 10 =
  9. 9.19.86 × 100 =
  10. 10.498.7 ÷ 1000 =
  11. 11.422.9 ÷ 1000 =
  12. 12.2.93 × 1000 =
  13. 13.24.84 × 1000 =
  14. 14.225.1 × 10 =
  15. 15.62.5 ÷ 10 =
  16. 16.347.2 ÷ 10 =
  17. 17.36.17 × 100 =
  18. 18.32.88 ÷ 1000 =
  19. 19.281.5 ÷ 10 =
  20. 20.248.2 × 10 =
  21. 21.34.71 ÷ 100 =
  22. 22.299.2 ÷ 1000 =
  23. 23.26.29 ÷ 1000 =
  24. 24.493.2 ÷ 10 =
  25. 25.21.87 × 1000 =
  26. 26.4.96 ÷ 1000 =
  27. 27.49.03 × 1000 =
  28. 28.127.1 × 100 =
  29. 29.8.2 ÷ 1000 =
  30. 30.49.11 × 10 =
  31. 31.31.65 × 100 =
  32. 32.18.43 × 100 =
  33. 33.31.35 × 10 =
  34. 34.90.6 × 100 =
  35. 35.497.1 × 10 =
  36. 36.351.1 × 10 =
  37. 37.54.1 × 100 =
  38. 38.159.1 × 100 =
  39. 39.127.1 × 1000 =
  40. 40.143.8 ÷ 10 =

Answer key

  1. 2430
  2. 118
  3. 0.3779
  4. 2060
  5. 0.00497
  6. 1.388
  7. 28390
  8. 262.2
  9. 1986
  10. 0.4987
  11. 0.4229
  12. 2930
  13. 24840
  14. 2251
  15. 6.25
  16. 34.72
  17. 3617
  18. 0.03288
  19. 28.15
  20. 2482
  21. 0.3471
  22. 0.2992
  23. 0.02629
  24. 49.32
  25. 21870
  26. 0.00496
  27. 49030
  28. 12710
  29. 0.0082
  30. 491.1
  31. 3165
  32. 1843
  33. 313.5
  34. 9060
  35. 4971
  36. 3511
  37. 5410
  38. 15910
  39. 127100
  40. 14.38

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