← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 759 · 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. 1.49.55 × 10 =
  2. 2.109.5 ÷ 10 =
  3. 3.318.2 × 1000 =
  4. 4.29.63 ÷ 1000 =
  5. 5.36.66 × 10 =
  6. 6.30.04 ÷ 10 =
  7. 7.32.03 ÷ 10 =
  8. 8.241.7 ÷ 1000 =
  9. 9.287.5 ÷ 1000 =
  10. 10.417.3 × 1000 =
  11. 11.436.6 ÷ 100 =
  12. 12.33.41 ÷ 100 =
  13. 13.294.4 ÷ 1000 =
  14. 14.310.9 × 10 =
  15. 15.137.1 × 10 =
  16. 16.15.1 ÷ 10 =
  17. 17.6.05 × 10 =
  18. 18.1.23 ÷ 100 =
  19. 19.217.1 × 100 =
  20. 20.21.58 ÷ 10 =
  21. 21.3.28 × 10 =
  22. 22.63.7 × 1000 =
  23. 23.253.5 × 10 =
  24. 24.359.8 ÷ 10 =
  25. 25.386.9 ÷ 100 =
  26. 26.25.73 ÷ 100 =
  27. 27.13.75 ÷ 100 =
  28. 28.386.5 ÷ 100 =
  29. 29.54.9 ÷ 1000 =
  30. 30.404.9 × 100 =
  31. 31.283.6 × 10 =
  32. 32.51.1 × 10 =
  33. 33.47.48 × 1000 =
  34. 34.143.4 ÷ 1000 =
  35. 35.10.65 ÷ 10 =
  36. 36.38.54 ÷ 10 =
  37. 37.288.6 × 10 =
  38. 38.235.1 × 10 =
  39. 39.42.8 × 10 =
  40. 40.85.8 × 10 =

Answer key

  1. 495.5
  2. 10.95
  3. 318200
  4. 0.02963
  5. 366.6
  6. 3.004
  7. 3.203
  8. 0.2417
  9. 0.2875
  10. 417300
  11. 4.366
  12. 0.3341
  13. 0.2944
  14. 3109
  15. 1371
  16. 1.51
  17. 60.5
  18. 0.0123
  19. 21710
  20. 2.158
  21. 32.8
  22. 63700
  23. 2535
  24. 35.98
  25. 3.869
  26. 0.2573
  27. 0.1375
  28. 3.865
  29. 0.0549
  30. 40490
  31. 2836
  32. 511
  33. 47480
  34. 0.1434
  35. 1.065
  36. 3.854
  37. 2886
  38. 2351
  39. 428
  40. 858

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