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Math 8 Periods 5 & 6 December 7 - 11 Objectives: The students will improve fluency and accuracy of basic calculations know that corresponding angles, alternate interior angles, and alternate exterior angles of parallel lines are equal. Students know that when these pairs of angles are equal, then lines are parallel. present informal arguments to draw conclusions about angles formed when parallel lines are cut by a transversal. use angle measurements to classify pairs of angles know the Angle Sum Theorem for triangles; the sum of the interior angles of a triangle is always 180 degrees. Module 2: The Concept of Congruency Geometry (G) Understand congruence and similarity using physical models, transparencies, or geometry software. Enduring Understandings Students learn the basic assumptions that are made about the basic rigid motions that will serve as the basis of all geometric investigations. Focus Standards: 8.G.A.2 Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them. 8.G.A.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. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so. Mathematical Practices MP2 Reason abstractly and quantitatively MP3 Construct viable arguments and critique the reasoning of others MP5 Use appropriate tools strategically MP6 Attend to precision Class Work Monday December 7 1. Fill in agenda 2. Mod 2, Lesson 12, “Angles Associated with Parallel Lines,” Problem Set/Exit Ticket Tuesday December 8 1. 6-1, “Line and Angle Relationships,” 6-1 Noteables Vocabulary 6-1 Study Guide & Intervention Homework Complete Lesson 12 PS/ET, p. 65-66 6-1 SGI/Skills Practice Wednesday December 9 1. Read and Do Math 2. Parallel Lines & Transversals “Quiz” Thursday December 10 1. Sprint 2. Mod. 2, Lesson 13, “Angle Sum of a Triangle” Friday December 11 1. Continue Lesson 13 Complete “Quiz” Lesson 13--TBA Early Release Staff Development