← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 481 · 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. 1.1.51 × 1000 =
  2. 2.302.8 × 1000 =
  3. 3.433.6 ÷ 100 =
  4. 4.1.51 × 100 =
  5. 5.53.3 × 100 =
  6. 6.469.4 ÷ 1000 =
  7. 7.41.61 × 1000 =
  8. 8.47.89 ÷ 10 =
  9. 9.38.34 × 10 =
  10. 10.153.3 × 100 =
  11. 11.20.94 ÷ 100 =
  12. 12.2.4 ÷ 10 =
  13. 13.9.44 × 10 =
  14. 14.498.5 ÷ 1000 =
  15. 15.73.8 × 100 =
  16. 16.17.93 ÷ 100 =
  17. 17.21.81 ÷ 10 =
  18. 18.15.17 ÷ 10 =
  19. 19.40.51 ÷ 1000 =
  20. 20.3.96 ÷ 1000 =
  21. 21.38.21 ÷ 10 =
  22. 22.23.51 × 10 =
  23. 23.3.69 × 1000 =
  24. 24.35.93 ÷ 100 =
  25. 25.37.54 × 10 =
  26. 26.19.54 ÷ 1000 =
  27. 27.440.5 × 1000 =
  28. 28.55.3 ÷ 1000 =
  29. 29.247.1 × 100 =
  30. 30.8.97 × 10 =
  31. 31.128.5 × 1000 =
  32. 32.31.97 × 10 =
  33. 33.24.58 × 10 =
  34. 34.135.4 ÷ 10 =
  35. 35.16.51 ÷ 100 =
  36. 36.211.7 ÷ 100 =
  37. 37.41.58 ÷ 1000 =
  38. 38.114.2 ÷ 10 =
  39. 39.43.05 × 100 =
  40. 40.6.4 × 100 =

Answer key

  1. 1510
  2. 302800
  3. 4.336
  4. 151
  5. 5330
  6. 0.4694
  7. 41610
  8. 4.789
  9. 383.4
  10. 15330
  11. 0.2094
  12. 0.24
  13. 94.4
  14. 0.4985
  15. 7380
  16. 0.1793
  17. 2.181
  18. 1.517
  19. 0.04051
  20. 0.00396
  21. 3.821
  22. 235.1
  23. 3690
  24. 0.3593
  25. 375.4
  26. 0.01954
  27. 440500
  28. 0.0553
  29. 24710
  30. 89.7
  31. 128500
  32. 319.7
  33. 245.8
  34. 13.54
  35. 0.1651
  36. 2.117
  37. 0.04158
  38. 11.42
  39. 4305
  40. 640

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