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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 37 · 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? 16, 19, 22, 25, 28, ?
  2. 2.What comes next? 3, 9, 27, 81, 243, ?
  3. 3.What comes next? 2, 4, 8, 16, 32, ?
  4. 4.What comes next? 14, 18, 22, 26, 30, ?
  5. 5.What comes next? 1, 6, 2, 7, 3, 8, ?
  6. 6.What comes next? 5, 15, 45, 135, 405, ?
  7. 7.What comes next? 1, 8, 4, 11, 7, 14, ?
  8. 8.What comes next? 6, 14, 22, 30, 38, ?
  9. 9.What comes next? 20, 26, 22, 28, 24, 30, ?
  10. 10.What comes next? 17, 26, 37, 50, 65, ?
  11. 11.What comes next? 36, 49, 64, 81, 100, ?
  12. 12.What comes next? 1, 3, 9, 27, 81, ?
  13. 13.What comes next? 1, 4, 8, 13, 19, ?
  14. 14.What comes next? 1, 2, 4, 8, 16, ?
  15. 15.What comes next? 19, 24, 22, 27, 25, 30, ?
  16. 16.What comes next? 1, 6, 3, 8, 5, 10, ?
  17. 17.What comes next? 4, 9, 7, 12, 10, 15, ?
  18. 18.What comes next? 10, 19, 28, 37, 46, ?
  19. 19.What comes next? 20, 22, 24, 26, 28, ?
  20. 20.What comes next? 15, 17, 20, 24, 29, ?
  21. 21.What comes next? 35, 48, 63, 80, 99, ?
  22. 22.What comes next? 4, 11, 18, 25, 32, ?
  23. 23.What comes next? 11, 14, 13, 16, 15, 18, ?
  24. 24.What comes next? 4, 9, 16, 25, 36, ?
  25. 25.What comes next? 1, 4, 7, 10, 13, ?
  26. 26.What comes next? 6, 10, 15, 21, 28, ?
  27. 27.What comes next? 13, 19, 16, 22, 19, 25, ?
  28. 28.What comes next? 1, 4, 9, 16, 25, ?
  29. 29.What comes next? 4, 8, 16, 32, 64, ?
  30. 30.What comes next? 3, 9, 15, 21, 27, ?
  31. 31.What comes next? 4, 12, 36, 108, 324, ?
  32. 32.What comes next? 14, 23, 21, 30, 28, 37, ?
  33. 33.What comes next? 18, 24, 30, 36, 42, ?
  34. 34.What comes next? 5, 9, 14, 20, 27, ?
  35. 35.What comes next? 3, 8, 4, 9, 5, 10, ?
  36. 36.What comes next? 10, 16, 22, 28, 34, ?
  37. 37.What comes next? 2, 3, 5, 8, 12, ?
  38. 38.What comes next? 2, 6, 18, 54, 162, ?
  39. 39.What comes next? 37, 50, 65, 82, 101, ?
  40. 40.What comes next? 14, 17, 16, 19, 18, 21, ?

Answer key

  1. 31
  2. 729
  3. 64
  4. 34
  5. 4
  6. 1215
  7. 10
  8. 46
  9. 26
  10. 82
  11. 121
  12. 243
  13. 26
  14. 32
  15. 28
  16. 7
  17. 13
  18. 55
  19. 30
  20. 35
  21. 120
  22. 39
  23. 17
  24. 49
  25. 16
  26. 36
  27. 22
  28. 36
  29. 128
  30. 33
  31. 972
  32. 35
  33. 48
  34. 35
  35. 6
  36. 40
  37. 17
  38. 486
  39. 122
  40. 20

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