← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 806 · 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. 1.481.1 × 1000 =
  2. 2.2.4 × 1000 =
  3. 3.15.91 × 100 =
  4. 4.73.4 × 100 =
  5. 5.207.5 × 1000 =
  6. 6.27.51 × 1000 =
  7. 7.37.17 × 1000 =
  8. 8.47.68 ÷ 100 =
  9. 9.25.57 × 1000 =
  10. 10.3.91 × 100 =
  11. 11.24.22 × 100 =
  12. 12.421.6 × 1000 =
  13. 13.193.9 × 10 =
  14. 14.38.96 × 100 =
  15. 15.150.1 ÷ 100 =
  16. 16.47.71 ÷ 1000 =
  17. 17.19.09 × 1000 =
  18. 18.38.15 × 1000 =
  19. 19.59.9 ÷ 100 =
  20. 20.23.63 ÷ 100 =
  21. 21.29.75 × 10 =
  22. 22.360.5 ÷ 100 =
  23. 23.49.19 × 1000 =
  24. 24.480.6 ÷ 10 =
  25. 25.43.74 × 10 =
  26. 26.37.27 × 1000 =
  27. 27.0.24 ÷ 100 =
  28. 28.163.1 × 10 =
  29. 29.130.7 × 10 =
  30. 30.24.62 × 1000 =
  31. 31.258.2 × 1000 =
  32. 32.30.76 × 100 =
  33. 33.145.5 × 10 =
  34. 34.279.9 ÷ 100 =
  35. 35.42.6 × 1000 =
  36. 36.416.7 ÷ 10 =
  37. 37.427.1 × 10 =
  38. 38.141.3 ÷ 10 =
  39. 39.32.21 × 10 =
  40. 40.405.5 × 1000 =

Answer key

  1. 481100
  2. 2400
  3. 1591
  4. 7340
  5. 207500
  6. 27510
  7. 37170
  8. 0.4768
  9. 25570
  10. 391
  11. 2422
  12. 421600
  13. 1939
  14. 3896
  15. 1.501
  16. 0.04771
  17. 19090
  18. 38150
  19. 0.599
  20. 0.2363
  21. 297.5
  22. 3.605
  23. 49190
  24. 48.06
  25. 437.4
  26. 37270
  27. 0.0024
  28. 1631
  29. 1307
  30. 24620
  31. 258200
  32. 3076
  33. 1455
  34. 2.799
  35. 42600
  36. 41.67
  37. 4271
  38. 14.13
  39. 322.1
  40. 405500

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