View a video in which Cyberchase characters show tessellating examples and then experiment with different shapes to discover which ones will tessellate and which ones won't. Create your own tessellation by adding color to tessellated shapes. Details »
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Find science, technology, engineering, and math resources for PreK-12 teachers and students.
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Explore entrepreneurship, competition in the market economy and additional topics including mergers, acquisitions, consolidation, joint ventures and hostile takeovers.
Research population trends in developed and less developed countries and consider the political, social and environmental repercussions of discrepancies.