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.

Example Problems and Solutions

Introductory

• 2006 AMC 12A Problem 20

• 2005 AMC 10A Problem 14

Intermediate

• AIME 2004II/2
• AIME 2004II/4
• AIME 2005I/5
• AIME 2000II/3

See also

• Math books