← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 83 · 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. 1.34.42 × 10 =
  2. 2.45.59 × 1000 =
  3. 3.88.2 × 10 =
  4. 4.267.6 × 100 =
  5. 5.447.2 × 1000 =
  6. 6.451.2 ÷ 10 =
  7. 7.278.9 × 10 =
  8. 8.12.76 ÷ 10 =
  9. 9.106.3 × 1000 =
  10. 10.250.6 × 10 =
  11. 11.5.18 × 1000 =
  12. 12.445.8 ÷ 100 =
  13. 13.28.89 ÷ 10 =
  14. 14.7.79 ÷ 10 =
  15. 15.499.4 ÷ 1000 =
  16. 16.117.1 × 1000 =
  17. 17.481.7 ÷ 10 =
  18. 18.272.7 × 10 =
  19. 19.6.27 ÷ 10 =
  20. 20.40.85 × 100 =
  21. 21.27.01 ÷ 10 =
  22. 22.28.5 × 10 =
  23. 23.17.6 × 1000 =
  24. 24.275.4 × 10 =
  25. 25.38.83 × 10 =
  26. 26.8.31 × 100 =
  27. 27.11.89 × 1000 =
  28. 28.9.21 ÷ 1000 =
  29. 29.284.2 × 10 =
  30. 30.20.82 ÷ 1000 =
  31. 31.269.2 ÷ 1000 =
  32. 32.33.57 × 10 =
  33. 33.6.36 × 1000 =
  34. 34.29.74 × 1000 =
  35. 35.311.7 × 1000 =
  36. 36.488.8 ÷ 1000 =
  37. 37.22.21 ÷ 1000 =
  38. 38.438.1 ÷ 1000 =
  39. 39.235.4 × 100 =
  40. 40.335.2 ÷ 100 =

Answer key

  1. 344.2
  2. 45590
  3. 882
  4. 26760
  5. 447200
  6. 45.12
  7. 2789
  8. 1.276
  9. 106300
  10. 2506
  11. 5180
  12. 4.458
  13. 2.889
  14. 0.779
  15. 0.4994
  16. 117100
  17. 48.17
  18. 2727
  19. 0.627
  20. 4085
  21. 2.701
  22. 285
  23. 17600
  24. 2754
  25. 388.3
  26. 831
  27. 11890
  28. 0.00921
  29. 2842
  30. 0.02082
  31. 0.2692
  32. 335.7
  33. 6360
  34. 29740
  35. 311700
  36. 0.4888
  37. 0.02221
  38. 0.4381
  39. 23540
  40. 3.352

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