public marks

PUBLIC MARKS from knann with tags gr3 & gr8

07 December 2005 09:30

NCTM : Illuminations Lessons

Interactive Math tools for grades for K-12. Accompanied by lesson plans and NCTM standards

03 November 2005 09:15

Tessellate!

This activity can be used to:recognize and explore the properties of tessellations, identify and examine symmetry in geometric figures,describe, and classify polygons, examine the role of mathematics in society and nature