← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 794 · 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. 1.47.69 × 10 =
  2. 2.297.1 × 1000 =
  3. 3.18.89 × 100 =
  4. 4.28.64 ÷ 100 =
  5. 5.29.09 ÷ 1000 =
  6. 6.324.8 × 10 =
  7. 7.45.44 × 1000 =
  8. 8.33.2 ÷ 10 =
  9. 9.10.93 × 10 =
  10. 10.1.25 ÷ 1000 =
  11. 11.20.38 × 100 =
  12. 12.1.37 ÷ 100 =
  13. 13.403.9 ÷ 10 =
  14. 14.12.97 ÷ 10 =
  15. 15.313.9 × 100 =
  16. 16.13.43 × 10 =
  17. 17.38.31 ÷ 100 =
  18. 18.161.4 × 10 =
  19. 19.327.6 × 10 =
  20. 20.136.2 ÷ 1000 =
  21. 21.33.17 × 1000 =
  22. 22.7.59 × 10 =
  23. 23.2.66 ÷ 10 =
  24. 24.113.8 × 10 =
  25. 25.5.2 × 10 =
  26. 26.433.5 × 100 =
  27. 27.492.7 ÷ 10 =
  28. 28.475.2 × 100 =
  29. 29.12.55 ÷ 1000 =
  30. 30.433.8 ÷ 10 =
  31. 31.357.9 × 10 =
  32. 32.43.4 × 100 =
  33. 33.81.8 ÷ 10 =
  34. 34.48.74 ÷ 100 =
  35. 35.17.24 ÷ 1000 =
  36. 36.219.1 × 10 =
  37. 37.11.9 × 10 =
  38. 38.90.1 × 1000 =
  39. 39.336.7 ÷ 1000 =
  40. 40.0.88 ÷ 10 =

Answer key

  1. 476.9
  2. 297100
  3. 1889
  4. 0.2864
  5. 0.02909
  6. 3248
  7. 45440
  8. 3.32
  9. 109.3
  10. 0.00125
  11. 2038
  12. 0.0137
  13. 40.39
  14. 1.297
  15. 31390
  16. 134.3
  17. 0.3831
  18. 1614
  19. 3276
  20. 0.1362
  21. 33170
  22. 75.9
  23. 0.266
  24. 1138
  25. 52
  26. 43350
  27. 49.27
  28. 47520
  29. 0.01255
  30. 43.38
  31. 3579
  32. 4340
  33. 8.18
  34. 0.4874
  35. 0.01724
  36. 2191
  37. 119
  38. 90100
  39. 0.3367
  40. 0.088

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