Interactive
Math Cats

Math Cats: Go to the Polygon Playground

For Students 3rd - 8th
In this interactive activity you can click and drag on hundreds of different polygons to paste in your screen and create your own patterns and forms.
Lesson Plan
Writing Fix

Writing Fix: Shape "Monsters" at Night

For Teachers Pre-K - 1st
Using Melanie Watt's book entitled Scaredy Squirrel at Night, this multi-day instructional activity allows students to apply information about Scaredy Squirrel's night time experiences and its fears as their final product model. Students...
Lesson Plan
Other

Nearpod: Area & Perimeter: Rectangle

For Teachers 3rd Standards
In this lesson on area and perimeter, 3rd graders will learn how to find the area and perimeter of rectangles by applying formulas.
Activity
Texas Instruments

Texas Instruments: Circles: Circumference and Area

For Teachers 9th - 10th Standards
The idea of perimeter can be applied not only to polygons but to circles as well. The same idea can be said for the area of a circle. (Continued. See "before the activity.") [Requires Adobe Reader.]
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Squares on a Coordinate Grid

For Teachers 9th - 10th Standards
The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid. Aligns with G-GPE.B.7.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: What Is a Polygon?

For Students 2nd - 8th
Defines polygons and explores characteristics, types of polygons, and how to calculate the area of a polygon.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Actividades Con El Geoplano Formula De Pick

For Students 9th - 10th
This interactive activity will lead you to the formula that was discovered by G. Pick in 1899. Gather all the data obtained in each of the activities and make a connection between the interior points, the points on the edge and the area...
Activity
Texas Instruments

Texas Instruments: Get to the Point! Coordinate Geometry!

For Teachers 6th - 8th Standards
In this activity, students use the Geoboard to determine the area of any polygon using coordinates.
Activity
Texas Instruments

Texas Instruments: Pick and Choose! Using Pick's Theorem!

For Teachers 6th - 8th
In this activity, students use the Geoboard to determine the area of any polygon using Pick's Theorem.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Same Base and Height, Variation 2

For Teachers 5th - 8th Standards
This is the second version of a task asking students to find the areas of triangles that have the same base and height. This presentation is more abstract as students are not using physical models. They still determine the area of each...
Activity
CK-12 Foundation

Ck 12: Area and Perimeter of Similar Polygons

For Students 5th - 7th
[Free Registration/Login Required] Students move points to make diagonals in order to solve for area and perimeter of polygons. Click challenge me to answer practice questions.
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Quadrilaterals

For Students 9th - 10th Standards
This lesson focuses on quadrilaterals which can fall into multiple categories based on the number of sides and the angles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of rhombuses and kites. Students examine guided notes, review guided practice, watch instructional...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a rhombus or kite. Students examine guided notes, review guided practice, watch instructional videos and...
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Areas Y Cuadrados

For Students 9th - 10th
Reinforce your knowledge of the area of a quadrilateral by practicing with theses interactive activities.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 2

For Teachers 6th - 8th
This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Base and Height

For Teachers 5th - 8th Standards
The purpose of this task is to help students understand what is meant by a base and its corresponding height in a triangle and to be able to correctly identify all three base-height pairs. Aligns with 6.G.A.1.
Unknown Type
That Quiz

That Quiz: Practice Test: Triangles

For Students 9th - 10th Standards
Test your knowledge on the attributes of triangles. There are eleven levels that may be completed with or without a timer.
PPT
Sophia Learning

Sophia: Using Right Triangle Trigonometry to Find the Area of Regular Polygons

For Students 9th - 10th Standards
This lesson will demonstrate how to use right triangle trigonometry and special right triangles (45-45-90 and 30-60-90) to find the area of triangles given the side lengths of the polygon. It is 2 of 4 in the series titled "Using Right...
Unit Plan
Sophia Learning

Sophia: Using Right Triangle Trigonometry to Find the Area of Regular Polygons

For Students 9th - 10th Standards
This lesson will demonstrate how to use right triangle trigonometry and special right triangles (45-45-90 and 30-60-90) to find the area of triangles given the side lengths of the polygon. It is 4 of 4 in the series titled "Using Right...
Lesson Plan
Alabama Learning Exchange

Alex: Area and Perimeter of Various Polygons

For Teachers 9th - 10th
In this lesson students will be engaged in an interactive online practice session using area and perimeter. Students will have to use critical thinking skills in order to unlock gates and learn more about the cups in the challenge.
Unit Plan
Khan Academy

Khan Academy: Find Perimeter When Given Side Lengths

For Students 2nd - 4th Standards
Find perimeter of figures when given an image or context. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.D.8 Solve real world and...
Whiteboard
ClassFlow

Class Flow: Area

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart teaches students how to find the area of an irregular polygon.
Handout
Math Open Reference

Math Open Reference: Perimeter of a Trapezoid

For Students 9th - 10th
Learn about the perimeter of a trapezoid with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

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