18 books
Magician's Castle Fantasy
Enhance Chance
Focus on Geometry
Weaving Your Way from Arithmetic to Mathematics with Manipulatives
More 5-Minute Challenges
Straw Polyhedra
Manipulative Interludes for Algebra I
Building Understanding (Middle)
Algebra in Concrete
Multilink Explorations
Create a Cube
Bucky for Beginners
Hands-On Math for Secondary Teachers
Skateboard Practice
The Tapestry of Mathematics
Base Ten Mathematics
Geoblocks and Geojackets
The Correlation of Activity-Centered Science & Mathematics