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Lesson Plan Cindy Zehnder Week of: October 26 Geometry Unit 3: Triangles Daily Agenda Monday Oct 26 Tuesday Oct 27 Wednesday Oct 28 Thursday Oct 29 Friday Oct 30 Critical Vocabulary: Scalene, Isosceles, Triangle, Scalene, Isosceles, Equilateral, Acute, Right, Obtuse, Equiangular, Interior Angles, Exterior Angles, Corollary, Congruent Figures, Corresponding Parts, CPCTC, SSS, ASA, SAS, AAS, HL, Bases Angles, Legs, Vertex Angle, Congruent Figures, Congruent Parts Common Core/Quality Core Standard: C-1- a. Use definitions, basic postulates, and theorems about points, segments, lines, angles, and planes to write proofs and to solve problems C-1- b. Use inductive reasoning to make conjectures and deductive reasoning to arrive at valid conclusions C-1- e. Read and write different types and formats of proofs including two-column, flowchart, paragraph, and indirect proofs C-1- f. Prove that two triangles are congruent by applying the SSS, SAS, ASA, AAS, and HL congruence statements C-1- g. Use the principle that corresponding parts of congruent triangles are congruent to solve problems D-2-a. Identify and classify triangles by their sides and angles D-2-i. Apply the Angle Sum Theorem for triangles and polygons to find interior and exterior angle measures given the number of sides, to find the number of sides given angle measures, and to solve real-world problems D-2-j. Apply the Isosceles Triangle Theorem and its converse to triangles to solve mathematical and real-world problems Learning Target Students will… Students will determine if triangles are congruent using SSS, SAS, ASA, AAS, and HL theorems. Students will determine if triangles are congruent using SSS, SAS, ASA, AAS, and HL theorems. Students will determine if triangles are congruent using SSS, SAS, ASA, AAS, and HL theorems. Write 2-column proofs for congruent triangles. Write 2-column proofs for congruent triangles. Instructional Method(s) Discussion Technology Cooperative Learning Discussion Technology Cooperative Learning Discussion Technology Cooperative Learning Discussion Technology Cooperative Learning Discussion Technology Cooperative Learning Math Auto ACT Style Flashback Notes – Practice Problems Math Auto ACT Style Flashback Math Auto ACT Style Flashback Discuss SSS, SAS, ASA, AAS, and HL Theorems (using worksheet) Discuss TwoColumn Proofs of Congruent Triangles notes with Guided Practice Practice problems from Section 4.3 and 4.4 Math Auto ACT Style Flashback HW Check Discuss Paragraph Proofs of Congruent Triangles notes with Guided Practice Math Auto ACT Style Flashback Discuss Paragraph Proof problems Practice problems from Section 4.3 and 4.4 KUTA Teacher observation Completed assignment Teacher observation Completed assignment Strategies/ Activities Intended Homework Formative Assessment Discuss SSS, SAS, ASA, AAS, and HL Theorems (using worksheet) KUTA ws Teacher observation Completed assignment Teacher observation Completed assignment Two Column And Paragraph Proofs Teacher observation Completed assignment Exit Slip Exit Slip Exit Slip Exit Slip Exit Slip Summative Assessment Tentative Date: Nov 13 Modifications/Accommodations as Needed: Prompting, cueing, modeling, paraphrasing, individual assistance, extra time, oral directions, peer tutoring **All plans are subject to change**
