HERSHIPS: This problem is called fair division. Luckily, there is a solution - divide and choose. UNIDENTIFIED CHILD #1: If one person cuts it and the other person decide - what - gets what, then ...

The process you use to solve a real world math problem can be just as important as arriving at the correct answer, said Robbi Berry, who teaches 5th grade in Las Cruces, N.M.

We go to a harbor in Santa Barbara where the wait for a spot to park your boat used to be as long as 200 years. Today on the show, we're on a mission to figure out how to divide resources fairly.