← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 526 · 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. 1.45.74 × 10 =
  2. 2.352.4 × 100 =
  3. 3.48.21 ÷ 100 =
  4. 4.50.8 × 100 =
  5. 5.14.71 ÷ 1000 =
  6. 6.400.2 × 100 =
  7. 7.68.9 ÷ 1000 =
  8. 8.39.7 × 100 =
  9. 9.364.1 ÷ 100 =
  10. 10.344.4 × 1000 =
  11. 11.249.2 ÷ 100 =
  12. 12.71.1 ÷ 1000 =
  13. 13.2.1 ÷ 10 =
  14. 14.323.5 × 100 =
  15. 15.124.7 ÷ 10 =
  16. 16.75.4 × 100 =
  17. 17.253.5 × 1000 =
  18. 18.334.3 ÷ 10 =
  19. 19.454.8 × 100 =
  20. 20.256.9 ÷ 100 =
  21. 21.363.3 ÷ 10 =
  22. 22.171.5 ÷ 10 =
  23. 23.40.14 ÷ 10 =
  24. 24.14.15 ÷ 10 =
  25. 25.3.17 ÷ 10 =
  26. 26.32.94 ÷ 1000 =
  27. 27.38.58 × 100 =
  28. 28.13.51 × 1000 =
  29. 29.12.9 ÷ 10 =
  30. 30.199.9 × 100 =
  31. 31.417.7 × 1000 =
  32. 32.417.6 × 10 =
  33. 33.89.9 × 1000 =
  34. 34.6.88 × 10 =
  35. 35.128.8 × 100 =
  36. 36.49.16 ÷ 1000 =
  37. 37.40.72 × 1000 =
  38. 38.47.04 ÷ 1000 =
  39. 39.298.5 ÷ 10 =
  40. 40.262.1 ÷ 1000 =

Answer key

  1. 457.4
  2. 35240
  3. 0.4821
  4. 5080
  5. 0.01471
  6. 40020
  7. 0.0689
  8. 3970
  9. 3.641
  10. 344400
  11. 2.492
  12. 0.0711
  13. 0.21
  14. 32350
  15. 12.47
  16. 7540
  17. 253500
  18. 33.43
  19. 45480
  20. 2.569
  21. 36.33
  22. 17.15
  23. 4.014
  24. 1.415
  25. 0.317
  26. 0.03294
  27. 3858
  28. 13510
  29. 1.29
  30. 19990
  31. 417700
  32. 4176
  33. 89900
  34. 68.8
  35. 12880
  36. 0.04916
  37. 40720
  38. 0.04704
  39. 29.85
  40. 0.2621

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