Introduction
In this lesson, your students will learn to derive the trapezoid area formula through a hands on directed activity sequence that increases the understanding of area while developing the ability to solve problems involving the trapezoid.
Subject: Geometry
Topic: Area of Trapezoid
Grade Level: 9-12
Student Lesson name and URL:
Standards
Addressed
Mathematics 9-12
8.0
Students know, derive, and solve problems involving the perimeter, circumference,
area, volume, lateral area and surface area of common geometric figures.
Instructional
Objectives
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Students will be able to:
1. identify a trapezoid
when looking at geometric figures.
2. derive the formula
for the area of a trapezoid by
a) duplicating the
trapezoid-forming aparallogram
b) by dividing the
trapezoid into two triangles.
3. solve problems
involving the area of a trapezoid.
Student
Activities
Insert brief summaries of your introductory, enabling, and culminating activities. Insert links to online resources in your text and insert links to activities on your student lesson web site.
Introductory Activity
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Assessment
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Results
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Web
Resources & Supplementary Materials
Introductory Activity
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for this activity here. Also link supplementary materials such as PDF files
and /or document files.
Enabling Activity
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for your learning activity(ies) here. Also link supplementary materials
such as PDF files and /or document files.
Culminating Activity
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for your culminating activity here. Also link supplementary materials such
as PDF files and /or document files.
Red Bluff
High School - Independent Study
Red Bluff,
Ca.
Send
E-Mail to: Terri Shellabarger
Last Revised:
12/03/2000 (insert and update last revision date every time you
work on this page.)