
Teacher | Stephanie Durrance |
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Subject Area | 8th Grade Math (Pre-Algebra) |
Grade Level | 8th |
Week # | 7 |
Unit of Instruction | Focus 7: Angle-Pair Relationships |
Standard(s) Taught |
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MAFS.8.G.1.5: Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. |
Learning Targets and Learning Criteria |
• informally prove the angle-sum theorem, the properties of angles when parallel lines are cut by a transversal and the angle-angle criterion for similar triangles. • prove that the sum of any triangle’s interior angles will have the same measure as a straight angle. • make conjectures regarding the relationships and measurements of the angles created when two parallel lines are cut by a transversal. • apply proven relationships to establish minimal properties to justify similarity. • present informal arguments as to whether or not triangles are similar based on Angle-Angle criterion |
Classroom Activities |
Classroom Activities: Monday: Wednesday (Early Release): Thursday: All IEP and ESOL accommodations provided daily. |
Assignments Due |
Khan Academy – 2 short assignments, Angle-Pair Task Cards |
Additional Resources |
Khan Academy videos – type any topic in search bar followed by Khan Academy to find an instructional video for additional support. https://www.khanacademy.org/ IXL – Provides support for any grade level math standard. Edgenuity – https://www.edgenuity.com/ |