CCSS 8.G.A.5 Worksheets
Grade 8 · Geometry
Use facts about angles, including those formed by parallel lines and a transversal, to reason about figures.
Below are free printable worksheets that support 8.G.A.5. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teach this standard
Deliver a whole lesson on 8.G.A.5 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
What students learn
Use facts about angles, including those formed by parallel lines and a transversal, to reason about figures.
Worked example
Two angles on a straight line are 148 degrees and x degrees. Find x.
Answer: 32 degrees
Why: 180 - 148 = 32
Generated and checked in code, so it is correct.