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Number Analogy Worksheet

Logical reasoning lesson 4: Number analogies · Set 152 · 40 questions
TalentJR

How to think it through (Same rule, both pairs): Look at the first pair and guess a rule: × something, + something, square it, square it and add or take away 1, cube it … Test the rule on the second pair. If it fails, try another rule. Use the rule that fits both pairs on the last number.

NameDateTime takenScore ___ / 40
  1. 1.Find the rule, then the missing number. 7 : 56 :: 8 : 72 :: 6 : ?
  2. 2.Find the rule, then the missing number. 2 : 4 :: 5 : 25 :: 4 : ?
  3. 3.Find the rule, then the missing number. 3 : 11 :: 8 : 16 :: 2 : ?
  4. 4.Find the rule, then the missing number. 2 : 18 :: 5 : 45 :: 3 : ?
  5. 5.Find the rule, then the missing number. 7 : 50 :: 2 : 5 :: 3 : ?
  6. 6.Find the rule, then the missing number. 5 : 30 :: 2 : 6 :: 9 : ?
  7. 7.Find the rule, then the missing number. 4 : 16 :: 6 : 36 :: 5 : ?
  8. 8.Find the rule, then the missing number. 3 : 9 :: 8 : 64 :: 5 : ?
  9. 9.Find the rule, then the missing number. 2 : 6 :: 6 : 42 :: 5 : ?
  10. 10.Find the rule, then the missing number. 2 : 10 :: 9 : 45 :: 3 : ?
  11. 11.Find the rule, then the missing number. 8 : 72 :: 6 : 42 :: 3 : ?
  12. 12.Find the rule, then the missing number. 6 : 35 :: 8 : 63 :: 5 : ?
  13. 13.Find the rule, then the missing number. 3 : 12 :: 8 : 72 :: 6 : ?
  14. 14.Find the rule, then the missing number. 4 : 9 :: 8 : 17 :: 7 : ?
  15. 15.Find the rule, then the missing number. 4 : 64 :: 2 : 8 :: 5 : ?
  16. 16.Find the rule, then the missing number. 2 : 14 :: 9 : 63 :: 3 : ?
  17. 17.Find the rule, then the missing number. 9 : 19 :: 5 : 11 :: 8 : ?
  18. 18.Find the rule, then the missing number. 2 : 4 :: 4 : 16 :: 5 : ?
  19. 19.Find the rule, then the missing number. 3 : 24 :: 4 : 32 :: 8 : ?
  20. 20.Find the rule, then the missing number. 7 : 50 :: 4 : 17 :: 3 : ?
  21. 21.Find the rule, then the missing number. 7 : 48 :: 2 : 3 :: 4 : ?
  22. 22.Find the rule, then the missing number. 2 : 4 :: 8 : 64 :: 6 : ?
  23. 23.Find the rule, then the missing number. 6 : 37 :: 3 : 10 :: 4 : ?
  24. 24.Find the rule, then the missing number. 5 : 11 :: 3 : 7 :: 6 : ?
  25. 25.Find the rule, then the missing number. 2 : 5 :: 3 : 10 :: 6 : ?
  26. 26.Find the rule, then the missing number. 2 : 8 :: 3 : 27 :: 4 : ?
  27. 27.Find the rule, then the missing number. 6 : 21 :: 5 : 20 :: 3 : ?
  28. 28.Find the rule, then the missing number. 3 : 12 :: 8 : 72 :: 2 : ?
  29. 29.Find the rule, then the missing number. 9 : 19 :: 2 : 5 :: 7 : ?
  30. 30.Find the rule, then the missing number. 2 : 5 :: 9 : 82 :: 3 : ?
  31. 31.Find the rule, then the missing number. 8 : 22 :: 9 : 23 :: 4 : ?
  32. 32.Find the rule, then the missing number. 4 : 64 :: 3 : 27 :: 2 : ?
  33. 33.Find the rule, then the missing number. 4 : 64 :: 3 : 27 :: 5 : ?
  34. 34.Find the rule, then the missing number. 3 : 10 :: 9 : 82 :: 2 : ?
  35. 35.Find the rule, then the missing number. 9 : 19 :: 8 : 17 :: 2 : ?
  36. 36.Find the rule, then the missing number. 3 : 27 :: 2 : 8 :: 4 : ?
  37. 37.Find the rule, then the missing number. 2 : 8 :: 5 : 125 :: 3 : ?
  38. 38.Find the rule, then the missing number. 8 : 63 :: 2 : 3 :: 9 : ?
  39. 39.Find the rule, then the missing number. 4 : 17 :: 6 : 37 :: 8 : ?
  40. 40.Find the rule, then the missing number. 7 : 56 :: 8 : 72 :: 4 : ?

Answer key

  1. 42
  2. 16
  3. 10
  4. 27
  5. 10
  6. 90
  7. 25
  8. 25
  9. 30
  10. 15
  11. 12
  12. 24
  13. 42
  14. 15
  15. 125
  16. 21
  17. 17
  18. 25
  19. 64
  20. 10
  21. 15
  22. 36
  23. 17
  24. 13
  25. 37
  26. 64
  27. 18
  28. 6
  29. 15
  30. 10
  31. 18
  32. 8
  33. 125
  34. 5
  35. 5
  36. 64
  37. 27
  38. 80
  39. 65
  40. 20

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