** Special Features
- Abacus Editor Greetings / Mary Lou Kestell & Kathy Kubota-Zarivnij
- Research Summary - Spatial Reasoning within Measurement Contexts
- Links To Manipulatives - Using Square Tiles and Cubes
- Let's Do Math - (Bansho plan)
- Links To Literature
- Let's Do Math - Feet Lengths Line
- Let's Do Math - Problems
- Next Steps For Your Professional Learning - Application to Your Classroom
- Next Steps For Your Professional Learning - Suggested Readings