Instead of counting on your fingers to figure out the addition facts, students learn to associate the fact with a cartoon and story. Colorful illustrations teac

The fun, engaging program that will help your child master the addition facts once and for all—without spending hours and hours drilling flash cards! Addition

In the first book of the Math Is Categorical® series, readers will become familiar with the concept of addition and its key terms. From the author and illustra

The fun, engaging program that will help your child master the subtraction facts once and for all—without spending hours and hours drilling flash cards! Subtr

An introduction to the Racket functional programming language and DrRacket development environment to explore topics in mathematics (mostly recreational) and co