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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 288 · 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? 37, 50, 65, 82, 101, ?
  2. 2.What comes next? 2, 4, 8, 16, 32, ?
  3. 3.What comes next? 7, 13, 19, 25, 31, ?
  4. 4.What comes next? 3, 8, 15, 24, 35, ?
  5. 5.What comes next? 10, 11, 13, 16, 20, ?
  6. 6.What comes next? 3, 9, 27, 81, 243, ?
  7. 7.What comes next? 19, 24, 29, 34, 39, ?
  8. 8.What comes next? 4, 8, 16, 32, 64, ?
  9. 9.What comes next? 1, 2, 4, 8, 16, ?
  10. 10.What comes next? 3, 12, 8, 17, 13, 22, ?
  11. 11.What comes next? 2, 5, 4, 7, 6, 9, ?
  12. 12.What comes next? 11, 13, 16, 20, 25, ?
  13. 13.What comes next? 15, 21, 19, 25, 23, 29, ?
  14. 14.What comes next? 1, 10, 19, 28, 37, ?
  15. 15.What comes next? 12, 13, 15, 18, 22, ?
  16. 16.What comes next? 2, 6, 18, 54, 162, ?
  17. 17.What comes next? 2, 5, 9, 14, 20, ?
  18. 18.What comes next? 3, 8, 13, 18, 23, ?
  19. 19.What comes next? 9, 18, 27, 36, 45, ?
  20. 20.What comes next? 15, 24, 35, 48, 63, ?
  21. 21.What comes next? 8, 11, 14, 17, 20, ?
  22. 22.What comes next? 8, 14, 20, 26, 32, ?
  23. 23.What comes next? 9, 16, 25, 36, 49, ?
  24. 24.What comes next? 9, 15, 21, 27, 33, ?
  25. 25.What comes next? 4, 8, 12, 16, 20, ?
  26. 26.What comes next? 5, 15, 45, 135, 405, ?
  27. 27.What comes next? 3, 8, 4, 9, 5, 10, ?
  28. 28.What comes next? 11, 19, 17, 25, 23, 31, ?
  29. 29.What comes next? 1, 7, 13, 19, 25, ?
  30. 30.What comes next? 15, 22, 29, 36, 43, ?
  31. 31.What comes next? 16, 25, 36, 49, 64, ?
  32. 32.What comes next? 9, 11, 14, 18, 23, ?
  33. 33.What comes next? 1, 6, 11, 16, 21, ?
  34. 34.What comes next? 7, 10, 14, 19, 25, ?
  35. 35.What comes next? 2, 10, 7, 15, 12, 20, ?
  36. 36.What comes next? 17, 24, 31, 38, 45, ?
  37. 37.What comes next? 6, 7, 9, 12, 16, ?
  38. 38.What comes next? 5, 7, 9, 11, 13, ?
  39. 39.What comes next? 13, 16, 20, 25, 31, ?
  40. 40.What comes next? 9, 16, 23, 30, 37, ?

Answer key

  1. 122
  2. 64
  3. 37
  4. 48
  5. 25
  6. 729
  7. 44
  8. 128
  9. 32
  10. 18
  11. 8
  12. 31
  13. 27
  14. 46
  15. 27
  16. 486
  17. 27
  18. 28
  19. 54
  20. 80
  21. 23
  22. 38
  23. 64
  24. 39
  25. 24
  26. 1215
  27. 6
  28. 29
  29. 31
  30. 50
  31. 81
  32. 29
  33. 26
  34. 32
  35. 17
  36. 52
  37. 21
  38. 15
  39. 38
  40. 44

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