← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 792 · 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. 1.49.1 × 1000 =
  2. 2.36.82 ÷ 10 =
  3. 3.492.2 × 10 =
  4. 4.95.9 × 100 =
  5. 5.443.1 ÷ 10 =
  6. 6.7.47 × 100 =
  7. 7.338.1 × 10 =
  8. 8.19.91 × 1000 =
  9. 9.186.6 ÷ 10 =
  10. 10.32.9 × 10 =
  11. 11.41.27 ÷ 100 =
  12. 12.138.4 × 100 =
  13. 13.439.2 × 1000 =
  14. 14.1.07 × 10 =
  15. 15.129.7 × 1000 =
  16. 16.341.1 × 10 =
  17. 17.277.4 × 10 =
  18. 18.96.2 ÷ 10 =
  19. 19.463.1 ÷ 100 =
  20. 20.65.8 ÷ 100 =
  21. 21.132.7 ÷ 10 =
  22. 22.49.95 × 100 =
  23. 23.24.53 ÷ 1000 =
  24. 24.10.86 × 100 =
  25. 25.37.12 ÷ 1000 =
  26. 26.49.12 × 10 =
  27. 27.322.9 ÷ 10 =
  28. 28.28.91 × 10 =
  29. 29.380.8 ÷ 100 =
  30. 30.60.8 × 1000 =
  31. 31.55.6 ÷ 100 =
  32. 32.192.4 × 10 =
  33. 33.136.2 × 100 =
  34. 34.56.5 × 1000 =
  35. 35.487.3 ÷ 1000 =
  36. 36.39.45 ÷ 1000 =
  37. 37.9.79 × 10 =
  38. 38.34.47 ÷ 1000 =
  39. 39.15.13 ÷ 1000 =
  40. 40.162.5 ÷ 10 =

Answer key

  1. 49100
  2. 3.682
  3. 4922
  4. 9590
  5. 44.31
  6. 747
  7. 3381
  8. 19910
  9. 18.66
  10. 329
  11. 0.4127
  12. 13840
  13. 439200
  14. 10.7
  15. 129700
  16. 3411
  17. 2774
  18. 9.62
  19. 4.631
  20. 0.658
  21. 13.27
  22. 4995
  23. 0.02453
  24. 1086
  25. 0.03712
  26. 491.2
  27. 32.29
  28. 289.1
  29. 3.808
  30. 60800
  31. 0.556
  32. 1924
  33. 13620
  34. 56500
  35. 0.4873
  36. 0.03945
  37. 97.9
  38. 0.03447
  39. 0.01513
  40. 16.25

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