Activity
University of Regina (Canada)

University of Regina: Math Central: Manipulatives for the Upper Elementary (Gr. 4 6)

For Teachers K - 1st Standards
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...
Activity
University of Colorado

University of Colorado: Fair Division Activities

For Students 9th - 10th
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.