← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 288 · 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. 1.77.3 × 10 =
  2. 2.186.3 × 100 =
  3. 3.2.27 × 10 =
  4. 4.38.4 × 1000 =
  5. 5.244.4 ÷ 1000 =
  6. 6.1.17 × 10 =
  7. 7.6.49 ÷ 1000 =
  8. 8.95.3 × 100 =
  9. 9.256.4 ÷ 10 =
  10. 10.279.2 ÷ 100 =
  11. 11.9.57 ÷ 1000 =
  12. 12.58.5 ÷ 100 =
  13. 13.369.1 ÷ 10 =
  14. 14.6.62 ÷ 10 =
  15. 15.10.1 ÷ 100 =
  16. 16.391.7 ÷ 100 =
  17. 17.39.56 ÷ 100 =
  18. 18.7.11 ÷ 100 =
  19. 19.28.32 ÷ 1000 =
  20. 20.457.3 ÷ 1000 =
  21. 21.38.12 × 100 =
  22. 22.328.8 × 100 =
  23. 23.444.1 × 1000 =
  24. 24.113.3 ÷ 100 =
  25. 25.14.53 ÷ 10 =
  26. 26.258.1 × 10 =
  27. 27.76.1 ÷ 1000 =
  28. 28.479.1 ÷ 1000 =
  29. 29.18.92 ÷ 1000 =
  30. 30.29.98 ÷ 100 =
  31. 31.429.6 ÷ 1000 =
  32. 32.30.82 ÷ 100 =
  33. 33.45.48 ÷ 100 =
  34. 34.103.2 × 1000 =
  35. 35.48.33 ÷ 10 =
  36. 36.7.29 ÷ 100 =
  37. 37.385.3 ÷ 100 =
  38. 38.114.2 × 1000 =
  39. 39.28.78 × 100 =
  40. 40.107.8 ÷ 10 =

Answer key

  1. 773
  2. 18630
  3. 22.7
  4. 38400
  5. 0.2444
  6. 11.7
  7. 0.00649
  8. 9530
  9. 25.64
  10. 2.792
  11. 0.00957
  12. 0.585
  13. 36.91
  14. 0.662
  15. 0.101
  16. 3.917
  17. 0.3956
  18. 0.0711
  19. 0.02832
  20. 0.4573
  21. 3812
  22. 32880
  23. 444100
  24. 1.133
  25. 1.453
  26. 2581
  27. 0.0761
  28. 0.4791
  29. 0.01892
  30. 0.2998
  31. 0.4296
  32. 0.3082
  33. 0.4548
  34. 103200
  35. 4.833
  36. 0.0729
  37. 3.853
  38. 114200
  39. 2878
  40. 10.78

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