Grade 8 · Geometry

CCSS.MATH.CONTENT.8.G.A.1a

Lines are taken to lines, and line segments to line segments of the same length.

Read this standard on the official Common Core site

Lessons that teach this standard

• Transformations: Translations, Reflections and Rotations

  How to translate, reflect and rotate a figure on the coordinate plane, the coordinate rule for each, and why all three leave lengths and angles unchanged.