Author note — to cover

Two sides and the included angle: verify the angle sits between the matched sides, reject ASS as proof, and write the correspondence in order, including figures where a shared side supplies one matched pair. The right-angle exception RHS has its own page. Both tiers. (G5)

• Fluency — direct questions on congruence by sas, limited to this lesson's stated scope (4 questions).
• Application — use the same skill in unfamiliar or contextual questions without introducing a later method (4 questions).
• Check — questions built around the exclusions and likely misconceptions named in the lesson brief (4 questions).