UTPA STEM/CBI Courses/Geometry/Properties of area of triangles

Course Title: Geometry and Measurement

Lecture Topic: Properties of area of triangles

Instructor: JenqJong Tsay

Institution: UTPA

Backwards Design

Course Objectives

Primary Objectives- By the next class period students will be able to:
- Explain the reason why non-congruent triangles with the same length of base and height have the same area
- Explain the reason why all the third vertices of triangles with a fixed base form lines parallel to the fixed side

Sub Objectives- The objectives will require that students be able to:
- Understand the fundamental concept of area of triangle as counting the number of square units enclosed by the triangle
- Apply transformation on the triangle to be measured and relate it to a rectangle so that counting the number of square units is feasible

Difficulties- Students may have difficulty:
- In connecting their understanding of finding the area of triangle without giving the length and height of that triangle so that they can use the formula directly
- In observing the common characteristics of all the triangles with a fixed base and the relation to the third vertices of triangles on a parallel line to the fixed side

Real-World Contexts- There are many ways that students can use this material in the real-world, such as:
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Model of Knowledge

Content Priorities
- Enduring Understanding
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- Important to Do and Know
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- Worth Being Familiar with
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Assessment of Learning

Formative Assessment
- In Class (groups)
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- Homework (individual)
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Summative Assessment
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OBJECTIVE

By the next class period, students will be able to:

The objectives will require that students be able to:

THE CHALLENGE

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GENERATE IDEAS

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MULTIPLE PERSPECTIVES

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RESEARCH & REVISE

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TEST YOUR METTLE

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GO PUBLIC

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