** Abacus Activities
- Abacus Editor Greetings / Mary Lou Kestell & Kathy Kubota-Zarivnij
- RESEARCH SUMMARY - 3-dimensional Geometry
- LINKS TO MANIPULATIVES - Polydrons (TM)
- LET'S DO MATH: Fostering Reasoning About 3-D Objects (with bansho plan)
- LET'S DO MATH: Nets of Cubes
- LINKS TO LITERATURE: "Changes, Changes" by Pat Hutchinson
- LET'S DO MATH: Perspective Problems
- Next Steps for Your Professional Learning