← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 328 · 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. 1.21.09 ÷ 10 =
  2. 2.46.92 × 10 =
  3. 3.33.22 ÷ 1000 =
  4. 4.14.57 × 1000 =
  5. 5.14.41 ÷ 10 =
  6. 6.29.1 × 10 =
  7. 7.8.9 ÷ 100 =
  8. 8.112.8 × 100 =
  9. 9.327.6 ÷ 10 =
  10. 10.31.62 ÷ 100 =
  11. 11.263.9 ÷ 1000 =
  12. 12.7.96 × 10 =
  13. 13.46.8 × 100 =
  14. 14.386.6 ÷ 10 =
  15. 15.140.3 ÷ 100 =
  16. 16.109.7 ÷ 100 =
  17. 17.448.5 ÷ 1000 =
  18. 18.46.61 ÷ 100 =
  19. 19.28.17 × 1000 =
  20. 20.350.4 × 100 =
  21. 21.64.3 ÷ 100 =
  22. 22.134.1 ÷ 1000 =
  23. 23.17.65 ÷ 100 =
  24. 24.25.77 ÷ 10 =
  25. 25.28.12 ÷ 1000 =
  26. 26.7.3 × 100 =
  27. 27.22.11 × 100 =
  28. 28.151.7 ÷ 100 =
  29. 29.403.2 × 100 =
  30. 30.17.22 ÷ 1000 =
  31. 31.37.57 × 10 =
  32. 32.272.1 ÷ 10 =
  33. 33.7.7 × 100 =
  34. 34.6.2 ÷ 1000 =
  35. 35.44.94 ÷ 1000 =
  36. 36.9.47 × 100 =
  37. 37.332.1 ÷ 1000 =
  38. 38.29.87 ÷ 100 =
  39. 39.7.01 × 1000 =
  40. 40.21.27 ÷ 10 =

Answer key

  1. 2.109
  2. 469.2
  3. 0.03322
  4. 14570
  5. 1.441
  6. 291
  7. 0.089
  8. 11280
  9. 32.76
  10. 0.3162
  11. 0.2639
  12. 79.6
  13. 4680
  14. 38.66
  15. 1.403
  16. 1.097
  17. 0.4485
  18. 0.4661
  19. 28170
  20. 35040
  21. 0.643
  22. 0.1341
  23. 0.1765
  24. 2.577
  25. 0.02812
  26. 730
  27. 2211
  28. 1.517
  29. 40320
  30. 0.01722
  31. 375.7
  32. 27.21
  33. 770
  34. 0.0062
  35. 0.04494
  36. 947
  37. 0.3321
  38. 0.2987
  39. 7010
  40. 2.127

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