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Number Series Worksheet

Logical reasoning lesson 1: Number series · Set 206 · 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, 8, 16, 32, 64, ?
  2. 2.What comes next? 2, 5, 3, 6, 4, 7, ?
  3. 3.What comes next? 4, 10, 7, 13, 10, 16, ?
  4. 4.What comes next? 1, 2, 4, 8, 16, ?
  5. 5.What comes next? 1, 4, 9, 16, 25, ?
  6. 6.What comes next? 13, 16, 20, 25, 31, ?
  7. 7.What comes next? 5, 10, 20, 40, 80, ?
  8. 8.What comes next? 9, 16, 25, 36, 49, ?
  9. 9.What comes next? 1, 3, 9, 27, 81, ?
  10. 10.What comes next? 8, 15, 24, 35, 48, ?
  11. 11.What comes next? 8, 11, 15, 20, 26, ?
  12. 12.What comes next? 36, 49, 64, 81, 100, ?
  13. 13.What comes next? 3, 9, 27, 81, 243, ?
  14. 14.What comes next? 2, 6, 10, 14, 18, ?
  15. 15.What comes next? 3, 4, 6, 9, 13, ?
  16. 16.What comes next? 2, 4, 8, 16, 32, ?
  17. 17.What comes next? 13, 15, 18, 22, 27, ?
  18. 18.What comes next? 3, 6, 4, 7, 5, 8, ?
  19. 19.What comes next? 15, 16, 18, 21, 25, ?
  20. 20.What comes next? 14, 21, 28, 35, 42, ?
  21. 21.What comes next? 10, 12, 14, 16, 18, ?
  22. 22.What comes next? 4, 12, 36, 108, 324, ?
  23. 23.What comes next? 2, 5, 10, 17, 26, ?
  24. 24.What comes next? 19, 22, 25, 28, 31, ?
  25. 25.What comes next? 11, 20, 29, 38, 47, ?
  26. 26.What comes next? 7, 10, 9, 12, 11, 14, ?
  27. 27.What comes next? 4, 8, 7, 11, 10, 14, ?
  28. 28.What comes next? 3, 6, 12, 24, 48, ?
  29. 29.What comes next? 17, 22, 27, 32, 37, ?
  30. 30.What comes next? 1, 6, 3, 8, 5, 10, ?
  31. 31.What comes next? 5, 6, 8, 11, 15, ?
  32. 32.What comes next? 3, 5, 8, 12, 17, ?
  33. 33.What comes next? 15, 17, 20, 24, 29, ?
  34. 34.What comes next? 3, 8, 15, 24, 35, ?
  35. 35.What comes next? 6, 15, 24, 33, 42, ?
  36. 36.What comes next? 2, 6, 18, 54, 162, ?
  37. 37.What comes next? 15, 19, 17, 21, 19, 23, ?
  38. 38.What comes next? 5, 9, 13, 17, 21, ?
  39. 39.What comes next? 11, 14, 17, 20, 23, ?
  40. 40.What comes next? 1, 5, 10, 16, 23, ?

Answer key

  1. 128
  2. 5
  3. 13
  4. 32
  5. 36
  6. 38
  7. 160
  8. 64
  9. 243
  10. 63
  11. 33
  12. 121
  13. 729
  14. 22
  15. 18
  16. 64
  17. 33
  18. 6
  19. 30
  20. 49
  21. 20
  22. 972
  23. 37
  24. 34
  25. 56
  26. 13
  27. 13
  28. 96
  29. 42
  30. 7
  31. 20
  32. 23
  33. 35
  34. 48
  35. 51
  36. 486
  37. 21
  38. 25
  39. 26
  40. 31

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