← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 968 · 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. 1.6.78 ÷ 1000 =
  2. 2.9.04 × 1000 =
  3. 3.238.5 × 100 =
  4. 4.17.2 ÷ 100 =
  5. 5.11.17 × 1000 =
  6. 6.353.5 ÷ 10 =
  7. 7.404.8 × 1000 =
  8. 8.392.6 ÷ 100 =
  9. 9.47.31 ÷ 100 =
  10. 10.48.51 × 100 =
  11. 11.15.29 ÷ 1000 =
  12. 12.13.75 × 10 =
  13. 13.423.8 ÷ 1000 =
  14. 14.195.3 × 1000 =
  15. 15.11.96 ÷ 100 =
  16. 16.4.78 × 10 =
  17. 17.302.3 × 1000 =
  18. 18.5.75 × 10 =
  19. 19.186.9 ÷ 100 =
  20. 20.236.6 × 10 =
  21. 21.19.71 ÷ 1000 =
  22. 22.44.96 ÷ 10 =
  23. 23.45.18 × 1000 =
  24. 24.274.7 ÷ 10 =
  25. 25.17.16 × 10 =
  26. 26.206.5 × 1000 =
  27. 27.5.42 × 10 =
  28. 28.34.51 × 1000 =
  29. 29.190.1 ÷ 10 =
  30. 30.263.1 ÷ 10 =
  31. 31.11.9 ÷ 100 =
  32. 32.274.9 ÷ 1000 =
  33. 33.496.1 ÷ 10 =
  34. 34.2.88 ÷ 1000 =
  35. 35.25.6 × 1000 =
  36. 36.379.1 ÷ 10 =
  37. 37.497.8 × 10 =
  38. 38.8.17 ÷ 1000 =
  39. 39.466.9 × 10 =
  40. 40.394.2 × 100 =

Answer key

  1. 0.00678
  2. 9040
  3. 23850
  4. 0.172
  5. 11170
  6. 35.35
  7. 404800
  8. 3.926
  9. 0.4731
  10. 4851
  11. 0.01529
  12. 137.5
  13. 0.4238
  14. 195300
  15. 0.1196
  16. 47.8
  17. 302300
  18. 57.5
  19. 1.869
  20. 2366
  21. 0.01971
  22. 4.496
  23. 45180
  24. 27.47
  25. 171.6
  26. 206500
  27. 54.2
  28. 34510
  29. 19.01
  30. 26.31
  31. 0.119
  32. 0.2749
  33. 49.61
  34. 0.00288
  35. 25600
  36. 37.91
  37. 4978
  38. 0.00817
  39. 4669
  40. 39420

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