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Welcome to the Math Puzzle Wiki

This is a collection of my favorite puzzles and brain teasers which contain some mathematical content. Go ahead and try your hand at a random puzzle.

Most every puzzle here is taken from somewhere else, usually without express permission. When I can, I'll credit the source of the puzzle, but most come from "folklore" and have been retold many times by many people.

Types of puzzles

Comparison puzzles

Crossing puzzles

Cryptarithmetic puzzles

Games

Lateral thinking

Liar puzzles

Logic puzzles

Magic tricks

Measuring puzzles

Optimization puzzles

Short puzzles

Velocity puzzles

Weighing puzzles

Mathematical topics

Algebra

Algorithms

Calculus

Combinatorics

Computer science

Game theory

Geometry

Graph theory

Induction

Logic

Number theory

Pigeonhole principle

Place value

Probability

Sequences

Set theory

See All categories for more.

Recent additions

Category New not found

See the list of all puzzles for many more.

References

If you are looking for even more puzzles, check out our list of Links

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