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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 323 · 40 questions
TalentJR

How to think it through (Find the jump): Write the jump between each pair of neighbours (+3, +3, +3 … or × 2, × 2 …). If the jumps are not equal, look at the jumps themselves: do they grow by 1, take turns, or are the numbers squares (1, 4, 9, 16 …)? Use the same rule once more to get the next number.

NameDateTime takenScore ___ / 40
  1. 1.What comes next? 4, 12, 36, 108, 324, ?
  2. 2.What comes next? 11, 14, 17, 20, 23, ?
  3. 3.What comes next? 3, 8, 15, 24, 35, ?
  4. 4.What comes next? 25, 36, 49, 64, 81, ?
  5. 5.What comes next? 4, 9, 16, 25, 36, ?
  6. 6.What comes next? 17, 21, 20, 24, 23, 27, ?
  7. 7.What comes next? 17, 24, 19, 26, 21, 28, ?
  8. 8.What comes next? 1, 4, 9, 16, 25, ?
  9. 9.What comes next? 11, 20, 29, 38, 47, ?
  10. 10.What comes next? 2, 6, 5, 9, 8, 12, ?
  11. 11.What comes next? 15, 20, 16, 21, 17, 22, ?
  12. 12.What comes next? 15, 24, 35, 48, 63, ?
  13. 13.What comes next? 3, 9, 27, 81, 243, ?
  14. 14.What comes next? 8, 11, 14, 17, 20, ?
  15. 15.What comes next? 19, 21, 23, 25, 27, ?
  16. 16.What comes next? 13, 21, 29, 37, 45, ?
  17. 17.What comes next? 1, 3, 9, 27, 81, ?
  18. 18.What comes next? 4, 9, 8, 13, 12, 17, ?
  19. 19.What comes next? 2, 4, 7, 11, 16, ?
  20. 20.What comes next? 3, 6, 12, 24, 48, ?
  21. 21.What comes next? 35, 48, 63, 80, 99, ?
  22. 22.What comes next? 9, 16, 23, 30, 37, ?
  23. 23.What comes next? 11, 13, 16, 20, 25, ?
  24. 24.What comes next? 4, 7, 11, 16, 22, ?
  25. 25.What comes next? 4, 8, 6, 10, 8, 12, ?
  26. 26.What comes next? 16, 23, 30, 37, 44, ?
  27. 27.What comes next? 36, 49, 64, 81, 100, ?
  28. 28.What comes next? 1, 6, 5, 10, 9, 14, ?
  29. 29.What comes next? 7, 11, 8, 12, 9, 13, ?
  30. 30.What comes next? 11, 18, 25, 32, 39, ?
  31. 31.What comes next? 6, 9, 12, 15, 18, ?
  32. 32.What comes next? 13, 19, 25, 31, 37, ?
  33. 33.What comes next? 4, 8, 16, 32, 64, ?
  34. 34.What comes next? 11, 15, 19, 23, 27, ?
  35. 35.What comes next? 11, 15, 20, 26, 33, ?
  36. 36.What comes next? 5, 10, 20, 40, 80, ?
  37. 37.What comes next? 8, 11, 10, 13, 12, 15, ?
  38. 38.What comes next? 2, 6, 18, 54, 162, ?
  39. 39.What comes next? 1, 2, 4, 7, 11, ?
  40. 40.What comes next? 10, 11, 13, 16, 20, ?

Answer key

  1. 972
  2. 26
  3. 48
  4. 100
  5. 49
  6. 26
  7. 23
  8. 36
  9. 56
  10. 11
  11. 18
  12. 80
  13. 729
  14. 23
  15. 29
  16. 53
  17. 243
  18. 16
  19. 22
  20. 96
  21. 120
  22. 44
  23. 31
  24. 29
  25. 10
  26. 51
  27. 121
  28. 13
  29. 10
  30. 46
  31. 21
  32. 43
  33. 128
  34. 31
  35. 41
  36. 160
  37. 14
  38. 486
  39. 16
  40. 25

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