Leo teaches his cat Pallas all about spheres by applying his knowledge of geometry to their Stone Age world. Entertaining illustrations and stories provide a fun introduction to math… More →

Leo teaches his cat Pallas all about squares by applying his knowledge of geometry to their Stone Age world. Funny illustrations and stories provide a humorous introduction to math concepts,… More →

Leo teaches his cat Pallas all about triangles by applying his knowledge of geometry to their Stone Age world. Entertaining illustrations and stories provide a fun introduction to math… More →

This exciting new book helps budding mathematicians discover how to use subtraction. Come along with a museum curator as he prepares a butterfly exhibit. Concepts of taking away, comparing,… More →

Friends share their strategies for figuring out how many objects remain as some are taken away. More →

Follow along as the Math Wiz takes you on a magical adventure, learning subtraction along the way! Perfect for introducing young readers to subtraction. More →

Using real world examples, Fun with Math: Adding helps early learners understand this often challenging math concept. Colorful photographs, simple sentences, and relevant sight words make… More →

Simple text and colorful photos make learning important concepts easy. Familiar two- and three-dimensional geometric shapes and their properties from home and school are used to introduce… More →

Follow a group of friends as they discover when it is time for meals and activities using a clock with a face as well as a digital clock. More →

This series uses simple sentences and subject-related images to help children learn about the concept of measurement. Controlled vocabulary and sight words allow readers to build recognition… More →