Gr 3 C5 Task Decomposing Quadrilaterals

In this task students look at a page of quadrilaterals and decompose them into smaller triangles. They then complete a table and reason about the quadrilaterals and the triangles that were formed. 

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Consider all types of quadrilaterals. For each, decompose the quadrilaterals into 2, 3, or 4 triangles. Complete the table for each quadrilateral you decompose. You should complete the table. 

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