← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 480 · 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. 1.447.4 × 100 =
  2. 2.2.09 × 10 =
  3. 3.31.4 ÷ 10 =
  4. 4.436.9 × 1000 =
  5. 5.399.4 × 10 =
  6. 6.46.64 ÷ 100 =
  7. 7.90.1 × 1000 =
  8. 8.302.7 ÷ 10 =
  9. 9.142.4 × 1000 =
  10. 10.10.91 ÷ 1000 =
  11. 11.15.07 × 100 =
  12. 12.40.5 ÷ 10 =
  13. 13.38.76 × 10 =
  14. 14.20.61 × 100 =
  15. 15.401.7 × 1000 =
  16. 16.433.1 ÷ 10 =
  17. 17.48.09 × 100 =
  18. 18.1.57 ÷ 10 =
  19. 19.25.48 ÷ 1000 =
  20. 20.26.61 ÷ 10 =
  21. 21.29.76 × 1000 =
  22. 22.201.3 × 100 =
  23. 23.203.8 ÷ 1000 =
  24. 24.375.1 ÷ 100 =
  25. 25.378.5 × 100 =
  26. 26.42.1 × 1000 =
  27. 27.303.6 × 1000 =
  28. 28.9.21 ÷ 10 =
  29. 29.137.7 ÷ 100 =
  30. 30.21.19 × 100 =
  31. 31.11.45 × 100 =
  32. 32.1.96 ÷ 1000 =
  33. 33.79.9 ÷ 10 =
  34. 34.183.7 × 100 =
  35. 35.38.65 ÷ 10 =
  36. 36.7.6 × 10 =
  37. 37.234.1 × 100 =
  38. 38.6.88 × 100 =
  39. 39.241.2 ÷ 10 =
  40. 40.194.7 ÷ 10 =

Answer key

  1. 44740
  2. 20.9
  3. 3.14
  4. 436900
  5. 3994
  6. 0.4664
  7. 90100
  8. 30.27
  9. 142400
  10. 0.01091
  11. 1507
  12. 4.05
  13. 387.6
  14. 2061
  15. 401700
  16. 43.31
  17. 4809
  18. 0.157
  19. 0.02548
  20. 2.661
  21. 29760
  22. 20130
  23. 0.2038
  24. 3.751
  25. 37850
  26. 42100
  27. 303600
  28. 0.921
  29. 1.377
  30. 2119
  31. 1145
  32. 0.00196
  33. 7.99
  34. 18370
  35. 3.865
  36. 76
  37. 23410
  38. 688
  39. 24.12
  40. 19.47

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