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mindfull's photostream |
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area of triangles challenge
this grade 9 student found dozens of triangles with an area of 4 square units on his geoboard - by using a pattern...
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Uploaded on Oct 1, 2006
14 wheels problem
this student chose actual trucks to show which vehicles might make 14 wheels in all. he used numbers to show his thinking as well.
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Uploaded on Oct 1, 2006
