← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 880 · 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. 1.36.21 × 1000 =
  2. 2.266.6 ÷ 10 =
  3. 3.25.85 ÷ 10 =
  4. 4.37.16 ÷ 100 =
  5. 5.434.5 × 10 =
  6. 6.409.7 ÷ 10 =
  7. 7.137.4 × 1000 =
  8. 8.193.4 × 10 =
  9. 9.118.5 ÷ 10 =
  10. 10.246.7 × 1000 =
  11. 11.7.92 × 1000 =
  12. 12.17.18 ÷ 1000 =
  13. 13.63.1 × 1000 =
  14. 14.154.9 ÷ 1000 =
  15. 15.27.3 × 100 =
  16. 16.15.71 ÷ 100 =
  17. 17.109.3 ÷ 100 =
  18. 18.15.19 ÷ 100 =
  19. 19.9.79 ÷ 1000 =
  20. 20.9.76 ÷ 1000 =
  21. 21.333.7 ÷ 1000 =
  22. 22.3.9 ÷ 1000 =
  23. 23.123.8 ÷ 1000 =
  24. 24.438.1 × 10 =
  25. 25.38.35 ÷ 100 =
  26. 26.377.8 × 10 =
  27. 27.34.37 × 10 =
  28. 28.219.4 × 1000 =
  29. 29.81.1 ÷ 1000 =
  30. 30.35.36 × 1000 =
  31. 31.413.3 × 1000 =
  32. 32.283.8 × 1000 =
  33. 33.78.7 × 1000 =
  34. 34.8.87 × 10 =
  35. 35.135.5 ÷ 100 =
  36. 36.494.8 ÷ 10 =
  37. 37.12.4 ÷ 10 =
  38. 38.149.6 × 10 =
  39. 39.44.59 × 100 =
  40. 40.41.07 × 100 =

Answer key

  1. 36210
  2. 26.66
  3. 2.585
  4. 0.3716
  5. 4345
  6. 40.97
  7. 137400
  8. 1934
  9. 11.85
  10. 246700
  11. 7920
  12. 0.01718
  13. 63100
  14. 0.1549
  15. 2730
  16. 0.1571
  17. 1.093
  18. 0.1519
  19. 0.00979
  20. 0.00976
  21. 0.3337
  22. 0.0039
  23. 0.1238
  24. 4381
  25. 0.3835
  26. 3778
  27. 343.7
  28. 219400
  29. 0.0811
  30. 35360
  31. 413300
  32. 283800
  33. 78700
  34. 88.7
  35. 1.355
  36. 49.48
  37. 1.24
  38. 1496
  39. 4459
  40. 4107

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