← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 239 · 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. 1.36.3 × 1000 =
  2. 2.28.46 × 1000 =
  3. 3.2.41 ÷ 10 =
  4. 4.307.3 × 10 =
  5. 5.214.4 ÷ 100 =
  6. 6.230.2 × 10 =
  7. 7.208.7 ÷ 10 =
  8. 8.4.83 × 1000 =
  9. 9.393.4 ÷ 10 =
  10. 10.367.1 × 10 =
  11. 11.22.3 ÷ 10 =
  12. 12.17.99 ÷ 100 =
  13. 13.37.03 × 100 =
  14. 14.187.5 ÷ 100 =
  15. 15.39.7 × 100 =
  16. 16.267.1 × 10 =
  17. 17.16.89 ÷ 1000 =
  18. 18.449.1 ÷ 100 =
  19. 19.12.98 × 10 =
  20. 20.118.1 × 1000 =
  21. 21.34.72 ÷ 10 =
  22. 22.37.99 ÷ 100 =
  23. 23.17.4 ÷ 100 =
  24. 24.17.7 × 1000 =
  25. 25.326.4 × 1000 =
  26. 26.267.1 × 10 =
  27. 27.46.06 × 10 =
  28. 28.6.14 × 10 =
  29. 29.292.6 ÷ 100 =
  30. 30.204.5 ÷ 1000 =
  31. 31.16.33 × 10 =
  32. 32.16.28 × 1000 =
  33. 33.3.31 × 1000 =
  34. 34.120.2 × 100 =
  35. 35.21.14 × 100 =
  36. 36.399.8 ÷ 10 =
  37. 37.185.7 × 1000 =
  38. 38.16.11 × 1000 =
  39. 39.37.16 ÷ 10 =
  40. 40.250.3 × 100 =

Answer key

  1. 36300
  2. 28460
  3. 0.241
  4. 3073
  5. 2.144
  6. 2302
  7. 20.87
  8. 4830
  9. 39.34
  10. 3671
  11. 2.23
  12. 0.1799
  13. 3703
  14. 1.875
  15. 3970
  16. 2671
  17. 0.01689
  18. 4.491
  19. 129.8
  20. 118100
  21. 3.472
  22. 0.3799
  23. 0.174
  24. 17700
  25. 326400
  26. 2671
  27. 460.6
  28. 61.4
  29. 2.926
  30. 0.2045
  31. 163.3
  32. 16280
  33. 3310
  34. 12020
  35. 2114
  36. 39.98
  37. 185700
  38. 16110
  39. 3.716
  40. 25030

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