On a hot day, Peg and Cat start a business selling lemonade and run into all sorts of problems.

Peg and Cat decide to open a pizzeria using Peg's knowledge about fractions to best serve the customers.

It's a hot day, so what could be cooler than setting up a lemonade stand? When Peg needs some marbles to keep her special marble company, she and Cat decide to

What goes up must come down — somehow — as Peg gets stuck high in a tree and Cat and Ramone try to come to the rescue. Peg has a BIG PROBLEM. She is up in a

When someone leaves the chicken coop open and 100 chickens escape, Peg and Cat use their math skills to solve the problem.