Lesson Plan: Lesson plans were written by Maryland mathematics educators and could be used when teaching the concepts. |
Goal 2 Geometry, Measurement, And Reasoning |
Expectation 2.2 The student will apply geometric properties and relationships to solve problems using tools and technology when appropriate. |
Indicator 2.2.3 The student will use inductive or deductive reasoning. |
Lesson Content | ||||||
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Concurrent Lines in Triangles | ||||||
Objective | ||||||
The student will investigate points of concurrency in triangles and apply these concepts to real-world situations. | ||||||
Other Indicators Addressed | ||||||
2.1.4 The student will construct and/or draw and/or validate properties of geometric figures using appropriate tools and technology. | ||||||
Approximate Time | ||||||
Two to three 50-minute lessons or one to two 90-minute lessons | ||||||
Prerequisite Concepts Needed | ||||||
Basic vocabulary: line, line segment, angle, ray, distance, congruence, perpendicular, bisector, midpoint, distance between two points, distance between a point and a line, median of a triangle, altitude of a triangle Students should understand the relationship of a figure and its image after a reflection over a line. | ||||||
Materials Needed | ||||||
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Lesson Structure | ||||||
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/share/clg/xml/lesson_plans/mathematics/Triangles_223.xml |