← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 56 · 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. 1.129.1 × 1000 =
  2. 2.329.9 ÷ 10 =
  3. 3.5.01 ÷ 100 =
  4. 4.66.1 ÷ 100 =
  5. 5.20.95 × 100 =
  6. 6.49.18 ÷ 10 =
  7. 7.94.5 ÷ 10 =
  8. 8.30.18 × 10 =
  9. 9.327.5 ÷ 1000 =
  10. 10.89.4 × 100 =
  11. 11.41.81 × 100 =
  12. 12.253.8 ÷ 100 =
  13. 13.49.96 × 10 =
  14. 14.21.19 × 10 =
  15. 15.364.5 ÷ 1000 =
  16. 16.8.81 × 1000 =
  17. 17.196.5 ÷ 100 =
  18. 18.287.1 × 10 =
  19. 19.84.1 ÷ 10 =
  20. 20.11.81 ÷ 10 =
  21. 21.38.01 ÷ 100 =
  22. 22.34.6 × 100 =
  23. 23.450.7 ÷ 100 =
  24. 24.220.1 × 10 =
  25. 25.21.34 ÷ 1000 =
  26. 26.404.3 ÷ 1000 =
  27. 27.341.3 × 100 =
  28. 28.162.1 × 100 =
  29. 29.9.72 ÷ 1000 =
  30. 30.352.4 × 100 =
  31. 31.15.11 ÷ 10 =
  32. 32.26.71 × 1000 =
  33. 33.386.8 × 10 =
  34. 34.278.1 × 100 =
  35. 35.39.26 × 100 =
  36. 36.7.65 ÷ 100 =
  37. 37.5.03 × 10 =
  38. 38.11.39 ÷ 100 =
  39. 39.310.4 ÷ 10 =
  40. 40.41.36 × 10 =

Answer key

  1. 129100
  2. 32.99
  3. 0.0501
  4. 0.661
  5. 2095
  6. 4.918
  7. 9.45
  8. 301.8
  9. 0.3275
  10. 8940
  11. 4181
  12. 2.538
  13. 499.6
  14. 211.9
  15. 0.3645
  16. 8810
  17. 1.965
  18. 2871
  19. 8.41
  20. 1.181
  21. 0.3801
  22. 3460
  23. 4.507
  24. 2201
  25. 0.02134
  26. 0.4043
  27. 34130
  28. 16210
  29. 0.00972
  30. 35240
  31. 1.511
  32. 26710
  33. 3868
  34. 27810
  35. 3926
  36. 0.0765
  37. 50.3
  38. 0.1139
  39. 31.04
  40. 413.6

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