angles

This lesson unit is intended to help you assess how students reason about geometry and, in particular, how well they are able to:

• Use facts about the angle sum and exterior angles of triangles to calculate missing angles.
• Apply angle theorems to parallel lines cut by a
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This lesson unit is intended to help you assess how well students are able to use geometric properties to solve problems. In particular, it will support you in identifying and helping students who have the following difficulties:

• Solving problems relating to using the measures of the
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