Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free

Hi, what do you want to do?

Create a lesson plan
Create a lesson plan
Generate resources with 80+ AI teacher tools
Generate resources with 80+ AI teacher tools
Search 200,000 instructional videos
Search 200,000 instructional videos
Find a teaching resource
Find a teaching resource
Polygons-Changing Area Versus Changing Perimeter Lesson PlanPolygons-Changing Area Versus Changing Perimeter Lesson Plan
Publisher
Alabama Learning Exchange
Curator Rating
Educator Rating
Not yet Rated
Lesson Plan

Polygons-Changing Area Versus Changing Perimeter

Curated and Reviewed by Lesson Planet
This Polygons-Changing Area Versus Changing Perimeter lesson plan also includes:
  • Perimeter and Area
  • Activity
  • Join to access all included materials

Investigate the area and perimeter of polygons in this geometry lesson. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the changing shape of polygons.

118 Views 142 Downloads
CCSS: Designed
Concepts

area, perimeter, polygons, 2-d shapes, 2-d, triangles

Additional Tags

triangles, area, polygons, perimeter, math
Show More Show Less

Resource Details

Grade
5th - 8th
Subjects
Math
3 more...
Resource Type
Lesson Plans
Audience
For Teacher Use
Duration
45 mins
Instructional Strategies
Modeling
1 more...
Usage Permissions
Fine Print: Educational Use

Common Core

6.G.A.1 7.G.B.6 MP3

See similar resources:

Lesson Plan

Areas of Geometric Shapes with the Same Perimeter

Curated OER
A triangle, square, hexagon, and circle all have a perimeter of one unit. Eighth graders must attempt to find the area of each and arrange them in order from least to greatest areas. A terrific task for applying four different...
7th - 9th Math
CCSS: Designed
Activity

Lyle's Triangles

Noyce Foundation
Try five problems on triangles. Levels A and B focus on shapes that can be created from right triangles. Level C touches upon the relationship between the area of a six-pointed star and the area of each triangle of which it is composed....
K - 12th Math
CCSS: Designed
Workbook

Areas and Perimeters

Centre for Innovation in Mamatics Teaching
Cover some serious area in your geometry curriculum with this collection of worksheets. After first introducing the concept of area using the tiling method, this resource continues on to teach learners how to use...
3rd - 6th Math
CCSS: Adaptable
Worksheet

Area and Perimeter of Irregular Shapes

Alberta Learning
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
3rd - 6th Math
CCSS: Adaptable
PPT

Who Wants to Be a Champion: Perimeter, Area, Symmetry

Curated OER
Have your learners practice finding the perimeter and area of geometric shapes using this resource. While just a simple review, this could be a wonderful way to solidify the concepts in their minds.
3rd - 5th Math
PPT

Area and Perimeter

Curated OER
Another good presentation by Christine Berg is here for you. In it, learners are coached on definitions of area and perimeter and are shown how to perform calculations for both. They also see how to calculate the area of a triangle by...
4th - 5th Math
Instructional Video

Area and Perimeter of Triangles: Lesson

CK-12 Foundation
Go from a parallelogram to a triangle. A segment of an extensive playlist on basic geometry shows the derivation of the formula for the area of a triangle. The resource works examples that require finding a missing side or height to...
3 mins 6th - 10th Math
CCSS: Adaptable
Instructional Video

Area and Perimeter of Rhombuses and Kites: Lesson

CK-12 Foundation
Flip the triangles up and create a parallelogram. Using the idea of transformations, the video develops the area formula for rhombi and kites. The segment of an extensive geometry playlist uses the formula to find the areas of different...
4 mins 6th - 10th Math
CCSS: Adaptable
Lesson Plan

Surface Area and Volume

Curated OER
Upper graders identify the surface area and attributes of figures that are measurable. They estimate, measure, and record perimeter, area, temperature change, and elapsed time, using a variety of strategies. They also determine the...
5th - 8th Math
Instructional Video

What is a Triangle?

Curated OER
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
6 mins 1st - 5th Math
Try It Free
© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use