Lessons Members About Activity Stream Geometry Order by Relevance Name Ascending Name Descending Last Modified Go 1 lesson found Unit: Geometry DSLP Strand: 6-8.D.2.1a Ask or identify a question that can be verified with data collected through observations. Filter Results Ratios with Similar Triangles Geometry Students investigate similar right triangles by measuring side lengths and calculating ratios, discovering that equal-angle triangles have proportional sides (consistent...