Wheeler’s more ingenious plane dissections involved polyhedra, cut into smaller polyhedra, that could then be rearranged to form other polyhedra. He and his students first made these models of paper.

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So far in the unit on area in the series on measurement, Daniel has been looking at the area of plane 2-dimensional or flat shapes. In this movie, Daniel extends our understanding of area to ...

COLLEGEVILLE, Minn. — Is it art or is it science? That’s a question a lot of people have when they see the Rev. Magnus Wenninger’s three-dimensional creations that take up every conceivable nook and ...