Lessons Members About Activity Stream Pre-algebra Order by Relevance Name Ascending Name Descending Last Modified Go 1 lesson found Type: Lesson DSLP Strand: 6-8.D.2.1b State a guess or potential answer to a question for later verification or testing via a hypothesis. Filter Results Geometry 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...