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Similarity (Day 2)
Lesson Prep
Lesson Details
Duration: 50 minutes
Learning Goal: Develop understanding of what it means for polygons to be similar and solve application problems.
Prework
Watch the embedded video above to see how we use formative assessment
Answer Keys
Classwork
Taken from New Visions
Standards
Common Core
HSG.SRT.A – Understand similarity in terms of similarity transformations
HSG.SRT.B.5 – Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.
TEKS
G.7(A) – apply the definition of similarity in terms of a dilation to identify similar figures and their proportional sides and the congruent corresponding angles
G.7(B) – apply the Angle-Angle criterion to verify similar triangles and apply the proportionality of the corresponding sides to solve problems
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