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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 232 · 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? 7, 9, 11, 13, 15, ?
  2. 2.What comes next? 13, 21, 16, 24, 19, 27, ?
  3. 3.What comes next? 15, 21, 20, 26, 25, 31, ?
  4. 4.What comes next? 10, 17, 24, 31, 38, ?
  5. 5.What comes next? 15, 18, 22, 27, 33, ?
  6. 6.What comes next? 14, 17, 16, 19, 18, 21, ?
  7. 7.What comes next? 4, 12, 36, 108, 324, ?
  8. 8.What comes next? 37, 50, 65, 82, 101, ?
  9. 9.What comes next? 1, 6, 3, 8, 5, 10, ?
  10. 10.What comes next? 1, 4, 9, 16, 25, ?
  11. 11.What comes next? 5, 11, 17, 23, 29, ?
  12. 12.What comes next? 1, 9, 17, 25, 33, ?
  13. 13.What comes next? 7, 15, 9, 17, 11, 19, ?
  14. 14.What comes next? 19, 27, 24, 32, 29, 37, ?
  15. 15.What comes next? 14, 17, 21, 26, 32, ?
  16. 16.What comes next? 4, 8, 13, 19, 26, ?
  17. 17.What comes next? 8, 12, 17, 23, 30, ?
  18. 18.What comes next? 14, 16, 19, 23, 28, ?
  19. 19.What comes next? 19, 21, 23, 25, 27, ?
  20. 20.What comes next? 3, 4, 6, 9, 13, ?
  21. 21.What comes next? 1, 8, 15, 22, 29, ?
  22. 22.What comes next? 8, 10, 13, 17, 22, ?
  23. 23.What comes next? 20, 29, 38, 47, 56, ?
  24. 24.What comes next? 1, 2, 4, 8, 16, ?
  25. 25.What comes next? 2, 6, 18, 54, 162, ?
  26. 26.What comes next? 19, 28, 20, 29, 21, 30, ?
  27. 27.What comes next? 15, 24, 35, 48, 63, ?
  28. 28.What comes next? 13, 22, 31, 40, 49, ?
  29. 29.What comes next? 3, 8, 13, 18, 23, ?
  30. 30.What comes next? 6, 11, 16, 21, 26, ?
  31. 31.What comes next? 3, 9, 5, 11, 7, 13, ?
  32. 32.What comes next? 19, 23, 27, 31, 35, ?
  33. 33.What comes next? 12, 14, 17, 21, 26, ?
  34. 34.What comes next? 11, 13, 15, 17, 19, ?
  35. 35.What comes next? 5, 7, 10, 14, 19, ?
  36. 36.What comes next? 9, 14, 12, 17, 15, 20, ?
  37. 37.What comes next? 4, 5, 7, 10, 14, ?
  38. 38.What comes next? 12, 14, 16, 18, 20, ?
  39. 39.What comes next? 10, 17, 26, 37, 50, ?
  40. 40.What comes next? 3, 6, 12, 24, 48, ?

Answer key

  1. 17
  2. 22
  3. 30
  4. 45
  5. 40
  6. 20
  7. 972
  8. 122
  9. 7
  10. 36
  11. 35
  12. 41
  13. 13
  14. 34
  15. 39
  16. 34
  17. 38
  18. 34
  19. 29
  20. 18
  21. 36
  22. 28
  23. 65
  24. 32
  25. 486
  26. 22
  27. 80
  28. 58
  29. 28
  30. 31
  31. 9
  32. 39
  33. 32
  34. 21
  35. 25
  36. 18
  37. 19
  38. 22
  39. 65
  40. 96

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