← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 736 · 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. 1.362.3 × 100 =
  2. 2.22.15 × 10 =
  3. 3.183.9 × 10 =
  4. 4.32.63 × 10 =
  5. 5.109.3 × 10 =
  6. 6.4.35 ÷ 10 =
  7. 7.218.1 × 1000 =
  8. 8.432.9 × 10 =
  9. 9.401.9 ÷ 10 =
  10. 10.209.9 ÷ 100 =
  11. 11.4.71 × 1000 =
  12. 12.64.7 ÷ 1000 =
  13. 13.91.5 × 10 =
  14. 14.45.5 × 100 =
  15. 15.34.01 × 10 =
  16. 16.133.1 ÷ 1000 =
  17. 17.15.3 × 100 =
  18. 18.39.85 ÷ 10 =
  19. 19.49.21 × 100 =
  20. 20.8.82 ÷ 1000 =
  21. 21.18.69 × 100 =
  22. 22.422.3 ÷ 10 =
  23. 23.29.3 × 10 =
  24. 24.10.5 × 1000 =
  25. 25.355.6 × 1000 =
  26. 26.163.5 × 1000 =
  27. 27.368.7 × 1000 =
  28. 28.309.4 ÷ 1000 =
  29. 29.255.1 × 1000 =
  30. 30.59.9 × 10 =
  31. 31.33.62 ÷ 10 =
  32. 32.37.49 × 1000 =
  33. 33.324.8 ÷ 100 =
  34. 34.494.1 × 100 =
  35. 35.82.7 × 1000 =
  36. 36.11.67 × 10 =
  37. 37.24.9 ÷ 10 =
  38. 38.25.19 × 1000 =
  39. 39.414.2 × 100 =
  40. 40.2.24 × 1000 =

Answer key

  1. 36230
  2. 221.5
  3. 1839
  4. 326.3
  5. 1093
  6. 0.435
  7. 218100
  8. 4329
  9. 40.19
  10. 2.099
  11. 4710
  12. 0.0647
  13. 915
  14. 4550
  15. 340.1
  16. 0.1331
  17. 1530
  18. 3.985
  19. 4921
  20. 0.00882
  21. 1869
  22. 42.23
  23. 293
  24. 10500
  25. 355600
  26. 163500
  27. 368700
  28. 0.3094
  29. 255100
  30. 599
  31. 3.362
  32. 37490
  33. 3.248
  34. 49410
  35. 82700
  36. 116.7
  37. 2.49
  38. 25190
  39. 41420
  40. 2240

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