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University of Regina (Canada)
University of Regina: Math Central: Manipulatives for the Upper Elementary (Gr. 4 6)
Many teachers find it more challenging to incorporate the use of manipulatives into their mathematics programs at the upper elementary or middle school grades. Activities using manipulatives are provided for grades four, five, and six...
University of Colorado
University of Colorado: Fair Division Activities
A series of activities in fair division allows students to work in groups on discrete math concepts. Tips are included on how to incorporate the activities into other math areas, including Algebra and Geometry.