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US Department of Education

Helping Your Child Learn Math: Math in the Home

For Students Pre-K - 1st
An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....
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University of Regina (Canada)

University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium

For Teachers 3rd - 5th Standards
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...