Grade 8 · Geometry

CCSS.MATH.CONTENT.8.G.A.2

Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them.

Read this standard on the official Common Core site

Lessons that teach this standard

• Congruence and Similarity: Dilations and Scale Factor

  What makes two figures congruent or similar, how a dilation resizes a figure about a center, what scale factor does to lengths and angles, and how to find a missing side.