← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 780 · 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. 1.6.52 × 1000 =
  2. 2.273.1 ÷ 10 =
  3. 3.366.8 ÷ 100 =
  4. 4.425.8 × 1000 =
  5. 5.127.3 ÷ 100 =
  6. 6.71.3 × 1000 =
  7. 7.276.3 ÷ 1000 =
  8. 8.7.03 × 10 =
  9. 9.5.3 ÷ 1000 =
  10. 10.19.6 × 100 =
  11. 11.31.51 × 100 =
  12. 12.44.31 ÷ 10 =
  13. 13.31.41 ÷ 1000 =
  14. 14.4.72 × 1000 =
  15. 15.30.04 × 100 =
  16. 16.2.4 × 10 =
  17. 17.108.4 ÷ 1000 =
  18. 18.38.99 × 100 =
  19. 19.197.3 × 10 =
  20. 20.28.91 × 100 =
  21. 21.370.4 × 10 =
  22. 22.38.26 × 1000 =
  23. 23.328.1 ÷ 1000 =
  24. 24.45.65 × 100 =
  25. 25.9.64 ÷ 100 =
  26. 26.9.11 ÷ 100 =
  27. 27.2.62 ÷ 100 =
  28. 28.351.5 ÷ 100 =
  29. 29.150.7 ÷ 100 =
  30. 30.31.35 × 1000 =
  31. 31.32.4 ÷ 10 =
  32. 32.46.98 × 1000 =
  33. 33.25.1 × 1000 =
  34. 34.50.1 × 100 =
  35. 35.44.35 × 100 =
  36. 36.0.84 ÷ 10 =
  37. 37.10.39 × 100 =
  38. 38.422.4 ÷ 10 =
  39. 39.259.1 ÷ 1000 =
  40. 40.45.09 × 1000 =

Answer key

  1. 6520
  2. 27.31
  3. 3.668
  4. 425800
  5. 1.273
  6. 71300
  7. 0.2763
  8. 70.3
  9. 0.0053
  10. 1960
  11. 3151
  12. 4.431
  13. 0.03141
  14. 4720
  15. 3004
  16. 24
  17. 0.1084
  18. 3899
  19. 1973
  20. 2891
  21. 3704
  22. 38260
  23. 0.3281
  24. 4565
  25. 0.0964
  26. 0.0911
  27. 0.0262
  28. 3.515
  29. 1.507
  30. 31350
  31. 3.24
  32. 46980
  33. 25100
  34. 5010
  35. 4435
  36. 0.084
  37. 1039
  38. 42.24
  39. 0.2591
  40. 45090

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