Dear Classifiers,

There are many, many species of animals (and many more that we don’t even know about). Before we study these animals, it’s helpful to put them into categories. Biologists have a special method of classifying animals based on important traits. What kind of traits are important for putting animals into groups?

We can use the same ideas about classification to better understand numbers, polygons, and polyhedrons (3-D shapes). This week, we’ll classify all of these things, and see the deep understanding that happens when we put like things next to each other.

Sincerely,

Mr. H