parallel lines

This lesson unit is intended to help you assess how well students understand the relationship between the slopes of parallel and perpendicular lines and in particular, to help identify students who find it difficult to:

• Find, from their equations, lines that are parallel and
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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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