Topic B

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This learning for this module is assessed through the Mid-Module Assessment and the End-of-Module assessment
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Students know the definition of similar and why dilation alone is not enough to determine similarity.
Given two similar figures, students describe the sequence of a dilation and a congruence that would map one figure onto the other.
Students know that similarity is both a symmetric and a transitive relation.
Students know an informal proof of the Angle-Angle (AA) criterion for similar triangles.
Students present informal arguments as to whether or not triangles are similar based on Angle - Angle criterion.
Students present informal arguments as to whether or not two triangles are similar.
Students practice finding lengths of correspon ding sides of similar triangles.
Students use properties of similar triangles to solve real-world problems.

8.G.A.5 8.G.A.4