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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 218 · 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? 1, 5, 10, 16, 23, ?
  2. 2.What comes next? 12, 16, 13, 17, 14, 18, ?
  3. 3.What comes next? 8, 17, 26, 35, 44, ?
  4. 4.What comes next? 13, 20, 19, 26, 25, 32, ?
  5. 5.What comes next? 13, 15, 18, 22, 27, ?
  6. 6.What comes next? 1, 2, 4, 8, 16, ?
  7. 7.What comes next? 6, 14, 22, 30, 38, ?
  8. 8.What comes next? 9, 16, 25, 36, 49, ?
  9. 9.What comes next? 3, 6, 10, 15, 21, ?
  10. 10.What comes next? 0, 3, 8, 15, 24, ?
  11. 11.What comes next? 17, 26, 21, 30, 25, 34, ?
  12. 12.What comes next? 17, 22, 19, 24, 21, 26, ?
  13. 13.What comes next? 13, 14, 16, 19, 23, ?
  14. 14.What comes next? 12, 16, 21, 27, 34, ?
  15. 15.What comes next? 8, 12, 16, 20, 24, ?
  16. 16.What comes next? 18, 23, 28, 33, 38, ?
  17. 17.What comes next? 37, 50, 65, 82, 101, ?
  18. 18.What comes next? 4, 8, 16, 32, 64, ?
  19. 19.What comes next? 24, 35, 48, 63, 80, ?
  20. 20.What comes next? 35, 48, 63, 80, 99, ?
  21. 21.What comes next? 3, 9, 27, 81, 243, ?
  22. 22.What comes next? 25, 36, 49, 64, 81, ?
  23. 23.What comes next? 1, 6, 11, 16, 21, ?
  24. 24.What comes next? 7, 13, 19, 25, 31, ?
  25. 25.What comes next? 16, 25, 36, 49, 64, ?
  26. 26.What comes next? 5, 12, 9, 16, 13, 20, ?
  27. 27.What comes next? 5, 15, 45, 135, 405, ?
  28. 28.What comes next? 4, 11, 18, 25, 32, ?
  29. 29.What comes next? 15, 17, 20, 24, 29, ?
  30. 30.What comes next? 26, 37, 50, 65, 82, ?
  31. 31.What comes next? 3, 6, 12, 24, 48, ?
  32. 32.What comes next? 19, 22, 21, 24, 23, 26, ?
  33. 33.What comes next? 4, 12, 36, 108, 324, ?
  34. 34.What comes next? 12, 16, 20, 24, 28, ?
  35. 35.What comes next? 4, 8, 12, 16, 20, ?
  36. 36.What comes next? 18, 22, 19, 23, 20, 24, ?
  37. 37.What comes next? 4, 13, 9, 18, 14, 23, ?
  38. 38.What comes next? 5, 14, 23, 32, 41, ?
  39. 39.What comes next? 8, 13, 18, 23, 28, ?
  40. 40.What comes next? 3, 7, 11, 15, 19, ?

Answer key

  1. 31
  2. 15
  3. 53
  4. 31
  5. 33
  6. 32
  7. 46
  8. 64
  9. 28
  10. 35
  11. 29
  12. 23
  13. 28
  14. 42
  15. 28
  16. 43
  17. 122
  18. 128
  19. 99
  20. 120
  21. 729
  22. 100
  23. 26
  24. 37
  25. 81
  26. 17
  27. 1215
  28. 39
  29. 35
  30. 101
  31. 96
  32. 25
  33. 972
  34. 32
  35. 24
  36. 21
  37. 19
  38. 50
  39. 33
  40. 23

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