← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 989 · 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. 1.8.88 ÷ 100 =
  2. 2.492.8 × 1000 =
  3. 3.123.4 × 10 =
  4. 4.41.52 ÷ 100 =
  5. 5.31.51 ÷ 100 =
  6. 6.9.4 ÷ 10 =
  7. 7.359.1 × 10 =
  8. 8.137.8 × 1000 =
  9. 9.46.22 ÷ 10 =
  10. 10.44.7 ÷ 100 =
  11. 11.4.52 × 10 =
  12. 12.18.85 × 100 =
  13. 13.48.6 × 10 =
  14. 14.4.68 × 1000 =
  15. 15.26.89 ÷ 1000 =
  16. 16.201.1 × 10 =
  17. 17.409.9 × 10 =
  18. 18.37.38 × 1000 =
  19. 19.18.29 × 100 =
  20. 20.143.2 ÷ 10 =
  21. 21.34.72 × 1000 =
  22. 22.286.1 × 1000 =
  23. 23.147.6 × 10 =
  24. 24.393.4 × 100 =
  25. 25.215.6 ÷ 100 =
  26. 26.27.78 × 1000 =
  27. 27.30.77 × 100 =
  28. 28.137.7 ÷ 10 =
  29. 29.19.4 × 1000 =
  30. 30.12.01 ÷ 1000 =
  31. 31.0.91 × 10 =
  32. 32.463.7 × 10 =
  33. 33.28.94 ÷ 100 =
  34. 34.2.15 × 10 =
  35. 35.296.2 × 100 =
  36. 36.76.1 × 100 =
  37. 37.35.24 × 10 =
  38. 38.28.69 × 100 =
  39. 39.204.6 × 100 =
  40. 40.167.1 × 10 =

Answer key

  1. 0.0888
  2. 492800
  3. 1234
  4. 0.4152
  5. 0.3151
  6. 0.94
  7. 3591
  8. 137800
  9. 4.622
  10. 0.447
  11. 45.2
  12. 1885
  13. 486
  14. 4680
  15. 0.02689
  16. 2011
  17. 4099
  18. 37380
  19. 1829
  20. 14.32
  21. 34720
  22. 286100
  23. 1476
  24. 39340
  25. 2.156
  26. 27780
  27. 3077
  28. 13.77
  29. 19400
  30. 0.01201
  31. 9.1
  32. 4637
  33. 0.2894
  34. 21.5
  35. 29620
  36. 7610
  37. 352.4
  38. 2869
  39. 20460
  40. 1671

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