綱要
MS Geometry Resources
These materials are all uploaded from Jack Gittinger's site "Geogebra Institute of Iowa" (https://sites.google.com/site/geogebraiowa/a-laboratory-guide-for-elementary-geometry-using-geogebra/grade-3-fractions-and-area).
These are intended to be used with elementary and middle school math classrooms to support Geometry Standards.
