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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 557 · 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. 1.250.4 × 1000 =
  2. 2.172.7 ÷ 100 =
  3. 3.409.7 × 1000 =
  4. 4.28.53 ÷ 1000 =
  5. 5.16.21 ÷ 1000 =
  6. 6.33.77 ÷ 10 =
  7. 7.31.06 ÷ 10 =
  8. 8.58.7 × 10 =
  9. 9.24.92 ÷ 1000 =
  10. 10.437.6 ÷ 10 =
  11. 11.26.26 × 100 =
  12. 12.5.92 × 10 =
  13. 13.6.04 ÷ 10 =
  14. 14.24.1 ÷ 1000 =
  15. 15.482.8 × 1000 =
  16. 16.9.34 × 10 =
  17. 17.1.06 ÷ 100 =
  18. 18.7.42 × 100 =
  19. 19.33.4 × 10 =
  20. 20.12.01 × 10 =
  21. 21.207.7 × 1000 =
  22. 22.7.5 ÷ 10 =
  23. 23.343.2 ÷ 1000 =
  24. 24.13.84 × 100 =
  25. 25.2.5 × 1000 =
  26. 26.432.4 × 100 =
  27. 27.33.4 × 1000 =
  28. 28.16.37 × 10 =
  29. 29.29.61 ÷ 1000 =
  30. 30.380.9 ÷ 10 =
  31. 31.46.22 ÷ 100 =
  32. 32.64.1 × 10 =
  33. 33.49.23 ÷ 100 =
  34. 34.230.4 × 10 =
  35. 35.4.12 × 1000 =
  36. 36.102.8 ÷ 100 =
  37. 37.489.9 ÷ 100 =
  38. 38.191.5 ÷ 100 =
  39. 39.169.1 ÷ 100 =
  40. 40.313.5 × 10 =

Answer key

  1. 250400
  2. 1.727
  3. 409700
  4. 0.02853
  5. 0.01621
  6. 3.377
  7. 3.106
  8. 587
  9. 0.02492
  10. 43.76
  11. 2626
  12. 59.2
  13. 0.604
  14. 0.0241
  15. 482800
  16. 93.4
  17. 0.0106
  18. 742
  19. 334
  20. 120.1
  21. 207700
  22. 0.75
  23. 0.3432
  24. 1384
  25. 2500
  26. 43240
  27. 33400
  28. 163.7
  29. 0.02961
  30. 38.09
  31. 0.4622
  32. 641
  33. 0.4923
  34. 2304
  35. 4120
  36. 1.028
  37. 4.899
  38. 1.915
  39. 1.691
  40. 3135

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