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Want to learn how to tackle those tough MATHCOUNTS and AMC counting and probability problems? Check out Art of Problem Solving's Introduction to Counting & Probability by David Patrick.

Casework

From AoPSWiki

Casework is solving counting or probability problems by considering the different cases and adding them together. While casework is sometimes the most elegant method of solution, it may be considered brute force when a more elegant solution exists.


Contents

Example Problems and Solutions

Introductory

Intermediate


See also

Want to learn how to tackle those tough AMC/AIME/Olympiad algebra problems? Check out Art of Problem Solving's Intermediate Algebra by Richard Rusczyk and Mathew Crawford. Over 1600 problems!
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