← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 923 · 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. 1.482.6 × 100 =
  2. 2.46.51 × 1000 =
  3. 3.40.63 × 1000 =
  4. 4.354.3 × 10 =
  5. 5.78.7 ÷ 10 =
  6. 6.27.97 ÷ 1000 =
  7. 7.34.97 × 10 =
  8. 8.305.2 × 10 =
  9. 9.108.6 × 100 =
  10. 10.57.6 ÷ 100 =
  11. 11.9.01 ÷ 1000 =
  12. 12.170.3 × 10 =
  13. 13.34.53 × 100 =
  14. 14.188.3 ÷ 10 =
  15. 15.426.8 ÷ 10 =
  16. 16.47.9 × 10 =
  17. 17.25.65 ÷ 10 =
  18. 18.196.1 × 1000 =
  19. 19.17.44 ÷ 1000 =
  20. 20.209.6 × 100 =
  21. 21.29.4 × 100 =
  22. 22.118.8 × 1000 =
  23. 23.152.9 × 100 =
  24. 24.6.94 ÷ 1000 =
  25. 25.43.49 × 1000 =
  26. 26.11.82 × 100 =
  27. 27.108.9 ÷ 10 =
  28. 28.271.2 × 10 =
  29. 29.12.44 ÷ 100 =
  30. 30.153.9 × 10 =
  31. 31.2.1 × 100 =
  32. 32.266.2 ÷ 100 =
  33. 33.39.36 ÷ 1000 =
  34. 34.157.4 ÷ 1000 =
  35. 35.4.2 ÷ 10 =
  36. 36.388.4 ÷ 1000 =
  37. 37.15.07 × 1000 =
  38. 38.33.1 ÷ 1000 =
  39. 39.5.33 ÷ 100 =
  40. 40.11.08 × 100 =

Answer key

  1. 48260
  2. 46510
  3. 40630
  4. 3543
  5. 7.87
  6. 0.02797
  7. 349.7
  8. 3052
  9. 10860
  10. 0.576
  11. 0.00901
  12. 1703
  13. 3453
  14. 18.83
  15. 42.68
  16. 479
  17. 2.565
  18. 196100
  19. 0.01744
  20. 20960
  21. 2940
  22. 118800
  23. 15290
  24. 0.00694
  25. 43490
  26. 1182
  27. 10.89
  28. 2712
  29. 0.1244
  30. 1539
  31. 210
  32. 2.662
  33. 0.03936
  34. 0.1574
  35. 0.42
  36. 0.3884
  37. 15070
  38. 0.0331
  39. 0.0533
  40. 1108

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