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Common Core · High School Geometry · Congruence

Standard G.CO.B.7

Free lessons and printable worksheets aligned to Common Core math standard G.CO.B.7.

4 lessons3 worksheets

Lessons for G.CO.B.7

Rigid motions and congruenceTwo figures are congruent exactly when some sequence of slides, flips and turns carries one onto the other.Lesson
Congruence statements and correspondenceWriting a congruence statement so that the order of the letters names which parts match.Lesson
Congruent trianglesSame shape, same size: every side and angle matches.Lesson
Proving parts congruent after the trianglesProving two triangles congruent first so that a matching side or angle can then be claimed.Lesson

Printable Worksheets

Rigid motions and congruence worksheet (PDF)Printable worksheet with answer keyPreview
Congruence statements and correspondence worksheet (PDF)Printable worksheet with answer keyPreview
Proving parts congruent after the triangles worksheet (PDF)Printable worksheet with answer keyPreview