← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 937 · 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. 1.438.6 × 100 =
  2. 2.431.2 × 10 =
  3. 3.36.5 ÷ 10 =
  4. 4.8.05 × 100 =
  5. 5.328.1 × 10 =
  6. 6.336.2 ÷ 10 =
  7. 7.189.6 ÷ 10 =
  8. 8.470.2 ÷ 100 =
  9. 9.49.26 × 100 =
  10. 10.26.4 × 100 =
  11. 11.32.94 × 10 =
  12. 12.10.7 ÷ 100 =
  13. 13.419.8 × 1000 =
  14. 14.11.39 × 1000 =
  15. 15.481.8 ÷ 100 =
  16. 16.13.99 × 10 =
  17. 17.141.1 ÷ 10 =
  18. 18.16.76 ÷ 1000 =
  19. 19.30.25 × 100 =
  20. 20.334.9 ÷ 10 =
  21. 21.3.61 × 10 =
  22. 22.34.03 ÷ 1000 =
  23. 23.485.1 × 10 =
  24. 24.33.27 × 100 =
  25. 25.70.9 × 1000 =
  26. 26.254.2 ÷ 100 =
  27. 27.42.29 ÷ 100 =
  28. 28.21.1 ÷ 10 =
  29. 29.49.23 × 100 =
  30. 30.18.92 ÷ 10 =
  31. 31.460.2 ÷ 10 =
  32. 32.2.56 × 1000 =
  33. 33.46.63 × 100 =
  34. 34.110.6 × 10 =
  35. 35.2.53 × 1000 =
  36. 36.29.15 ÷ 10 =
  37. 37.288.3 × 1000 =
  38. 38.11.45 ÷ 100 =
  39. 39.42.07 × 10 =
  40. 40.448.6 × 10 =

Answer key

  1. 43860
  2. 4312
  3. 3.65
  4. 805
  5. 3281
  6. 33.62
  7. 18.96
  8. 4.702
  9. 4926
  10. 2640
  11. 329.4
  12. 0.107
  13. 419800
  14. 11390
  15. 4.818
  16. 139.9
  17. 14.11
  18. 0.01676
  19. 3025
  20. 33.49
  21. 36.1
  22. 0.03403
  23. 4851
  24. 3327
  25. 70900
  26. 2.542
  27. 0.4229
  28. 2.11
  29. 4923
  30. 1.892
  31. 46.02
  32. 2560
  33. 4663
  34. 1106
  35. 2530
  36. 2.915
  37. 288300
  38. 0.1145
  39. 420.7
  40. 4486

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