Monster Math Squad learns about the word "half" by putting half of the baskets by the bench and the other half by the swingset.

Opie only gives three cents to a school charity fund for underprivileged children, and Andy tries to explain why he should've donated more to the cause. Andy uses ratios in an attempt to illustrate how many children are underprivileged, but Opie gets confused when Andy uses the term, "one-and-a-half boys."

A boy and his younger brother calculate how far they have to drive, and how long it will take them.

The narrator explains the Golden Ratio, the Golden Rectangle, and the Golden Section and how, despite the size of shapes, their proportions are the same. He provides real-world examples of the golden ratio in nature and architecture.

The team at Mathnet locates Grunt after searching for him for days. They use their understanding of his physiology, the geography, and math to get him home.