Ever scroll through builder websites and wonder why someone put what they put on the walls and shelves of their model homes? We do. So this is part of an occasional series in which we ask experts to ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to ...

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to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to develop students' language related to different triangles to engage ...