Identify and use angle bisectors in triangles. 5.2 Medians and Altitudes of Identify and use medians G.CO.10 2 Triangles and altitudes in triangles. G.MG.3 Identify and use altitudes in triangles. 5.3 Inequalities in One Triangle Recognize and apply G.CO.10 1 properties of inequalities to the measures of the angles of a triangle. Recognize and apply properties of inequalities to the relationships between the angles and the sides of a triangle. 5.4 Indirect Proof Write indirect algebraic G.CO.10 1 proofs. Write indirect geometric proofs. 5.5 The Triangle Inequality Use the Triangle Inequality G.CO.10 2 Theorem to identify G.MG.3 possible triangles. Prove triangle relationships using the Triangle Inequality Theorem. 5.6 Inequalities in Two Triangles Apply the Hinge Theorem or G.CO.10 2 its converse to make comparisons in two triangles. Review and 4 Assess - - - - 10 Days Lessons - - 4 Review/Assess 14 Total Days Chapter 3.3 3.6 – Quarterly 2 Review for Quarterly Exam Chapter 4 40 days of 1 day 2 days 2 days Chapter 5 Lessons
Identify and use angle bisectors in triangles. 5.2 Medians and Altitudes of Triangles Identify and use medians and altitudes in triangles. Identify and use altitudes in triangles. G.CO.10 G.MG.3 2 5.3 Inequalities in One Triangle Recognize and apply properties of inequalities to the measures of the angles of a triangle. Recognize and apply properties of inequalities to the relationships between the angles and the sides of a triangle. G.CO.10 1 5.4 Indirect Proof Write indirect algebraic proofs. Write indirect geometric proofs. G.CO.10 1 5.5 The Triangle Inequality Use the Triangle Inequality Theorem to identify possible triangles. Prove triangle relationships using the Triangle Inequality Theorem. G.CO.10 G.MG.3 2 5.6 Inequalities in Two Triangles Apply the Hinge Theorem or its converse to make comparisons in two triangles. G.CO.10 2 Review and Assess 4 - - - - 10 Days Lessons 4 Review/Assess 14 Total Days - - Quarterly 2 Review for Quarterly Exam Chapter 3.3 – 3.6 Chapter 4 Chapter 5 40 days of Lessons 1 day 2 days 2 days
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