Pattern families: how to stop treating every question as new

By Tomasz Hale·4 min read·

Seven pattern families — rotation, count, shading inversion, movement, layering, symmetry, and alternation — cover most logical reasoning questions. Classify the family first, then test one hypothesis. This turns a reasoning problem into a recognition problem.

Logical reasoning becomes easy when you stop seeing “random shapes” and start seeing pattern families. Seven families cover most of what you will see on a test:

  1. Rotation
  2. Count (objects, sides, intersections)
  3. Shading inversion
  4. Movement on a grid
  5. Layering (two shapes combine or separate)
  6. Symmetry changes
  7. Alternation (A-B-A-B)
How to use this list under time pressure
Do not search for “the rule” first. Classify the family in five seconds, then test one hypothesis. If it fails across any item, discard and pick the next most likely family. Never hold two hypotheses at once.

Why this works

Your brain is slow at holding abstract rules but fast at recognising categories. Forcing yourself to name the family first turns a reasoning problem into a recognition problem — and recognition is the thing time pressure stops killing you on.

A 3-minute drill

Pick any logical reasoning set. Before solving, just classify the family for each question out loud. Do not solve — just classify. Do 20 in a row. You will feel the recognition get faster within one sitting.

Drill pattern families on forge

Logical reasoning sets grouped by family so you can train classification speed first, then rule application.

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