← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 266 · 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. 1.25.69 × 100 =
  2. 2.31.21 × 10 =
  3. 3.440.4 ÷ 10 =
  4. 4.40.05 ÷ 100 =
  5. 5.3.33 ÷ 1000 =
  6. 6.67.7 ÷ 100 =
  7. 7.19.46 × 1000 =
  8. 8.38.05 × 10 =
  9. 9.300.3 ÷ 1000 =
  10. 10.205.3 ÷ 1000 =
  11. 11.12.29 × 10 =
  12. 12.185.1 ÷ 1000 =
  13. 13.0.21 × 1000 =
  14. 14.32.63 × 10 =
  15. 15.488.5 × 10 =
  16. 16.0.53 ÷ 1000 =
  17. 17.147.4 × 100 =
  18. 18.288.1 × 100 =
  19. 19.13.01 × 10 =
  20. 20.6.67 ÷ 10 =
  21. 21.353.1 ÷ 10 =
  22. 22.24.8 ÷ 100 =
  23. 23.44.46 ÷ 100 =
  24. 24.6.44 ÷ 100 =
  25. 25.455.7 ÷ 10 =
  26. 26.35.28 ÷ 10 =
  27. 27.184.1 × 1000 =
  28. 28.17.52 × 1000 =
  29. 29.21.16 × 1000 =
  30. 30.222.3 × 10 =
  31. 31.45.09 × 1000 =
  32. 32.150.9 × 100 =
  33. 33.29.61 ÷ 1000 =
  34. 34.307.1 × 10 =
  35. 35.436.1 ÷ 10 =
  36. 36.31.51 ÷ 10 =
  37. 37.189.1 × 1000 =
  38. 38.44.35 ÷ 100 =
  39. 39.47.47 ÷ 10 =
  40. 40.5.4 ÷ 100 =

Answer key

  1. 2569
  2. 312.1
  3. 44.04
  4. 0.4005
  5. 0.00333
  6. 0.677
  7. 19460
  8. 380.5
  9. 0.3003
  10. 0.2053
  11. 122.9
  12. 0.1851
  13. 210
  14. 326.3
  15. 4885
  16. 0.00053
  17. 14740
  18. 28810
  19. 130.1
  20. 0.667
  21. 35.31
  22. 0.248
  23. 0.4446
  24. 0.0644
  25. 45.57
  26. 3.528
  27. 184100
  28. 17520
  29. 21160
  30. 2223
  31. 45090
  32. 15090
  33. 0.02961
  34. 3071
  35. 43.61
  36. 3.151
  37. 189100
  38. 0.4435
  39. 4.747
  40. 0.054

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