← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 93 · 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. 1.1.99 ÷ 10 =
  2. 2.149.2 × 1000 =
  3. 3.39.24 ÷ 1000 =
  4. 4.395.7 ÷ 10 =
  5. 5.43.3 ÷ 100 =
  6. 6.284.3 × 10 =
  7. 7.4.45 ÷ 100 =
  8. 8.33.84 ÷ 10 =
  9. 9.17.75 ÷ 1000 =
  10. 10.20.49 ÷ 100 =
  11. 11.308.2 ÷ 10 =
  12. 12.17.4 ÷ 1000 =
  13. 13.33.32 ÷ 10 =
  14. 14.44.58 ÷ 1000 =
  15. 15.3.15 × 100 =
  16. 16.52.7 × 100 =
  17. 17.20.52 ÷ 1000 =
  18. 18.152.5 × 10 =
  19. 19.10.19 × 100 =
  20. 20.302.5 × 10 =
  21. 21.108.8 × 10 =
  22. 22.28.83 × 1000 =
  23. 23.159.7 × 100 =
  24. 24.20.57 × 1000 =
  25. 25.17.85 × 10 =
  26. 26.467.1 ÷ 1000 =
  27. 27.472.7 ÷ 100 =
  28. 28.161.6 ÷ 1000 =
  29. 29.41.29 × 10 =
  30. 30.424.7 ÷ 100 =
  31. 31.194.9 × 1000 =
  32. 32.25.25 × 10 =
  33. 33.4.1 × 1000 =
  34. 34.469.8 ÷ 100 =
  35. 35.292.3 × 1000 =
  36. 36.6.7 ÷ 100 =
  37. 37.193.8 ÷ 1000 =
  38. 38.31.16 × 10 =
  39. 39.407.2 ÷ 10 =
  40. 40.37.81 ÷ 1000 =

Answer key

  1. 0.199
  2. 149200
  3. 0.03924
  4. 39.57
  5. 0.433
  6. 2843
  7. 0.0445
  8. 3.384
  9. 0.01775
  10. 0.2049
  11. 30.82
  12. 0.0174
  13. 3.332
  14. 0.04458
  15. 315
  16. 5270
  17. 0.02052
  18. 1525
  19. 1019
  20. 3025
  21. 1088
  22. 28830
  23. 15970
  24. 20570
  25. 178.5
  26. 0.4671
  27. 4.727
  28. 0.1616
  29. 412.9
  30. 4.247
  31. 194900
  32. 252.5
  33. 4100
  34. 4.698
  35. 292300
  36. 0.067
  37. 0.1938
  38. 311.6
  39. 40.72
  40. 0.03781

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