Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.
Other
Gobierno De Navarra: Areas De Poligonos
Interactive figures to figure out how to calculate the areas of polygons.
Math Is Fun
Math Is Fun: Properties of Regular Polygons
Find a definition of regular polygon, and learn how to calculate the internal angle, external angle, and number of diagonals of a regular polygon. Also, learn how to find the area of regular polygons.
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Math: Area and Perimeter
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
National Council of Teachers of Mathematics
The Math Forum: Find the Area of the Shape!
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
Texas Instruments
Texas Instruments: Getting Started With Area Formulas App
Calculate the Area of a Trapezoid This Concept Handheld Software Application reviews the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Geometry
Practice using your graphing calculator for Geometry problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
CK-12 Foundation
Ck 12: Geometry: Area of Regular Polygons
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of regular polygons. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites
[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...
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites
[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...
Texas Instruments
Texas Instruments: Figuring Areas
In this activity, students find the area of regular polygons using a summation approach and compare the summations with area calculated by Cabri Geometry Application. They also examine patterns of finding area and perimeter as the number...
Texas Instruments
Texas Instruments: Finding the Area of a Perfect Polygon.
Students will review how to find the area of a regular polygon.
Math Slice
Math Slice: Area & Perimeter: Math Worksheets
This tool allows you to create worksheets of word problems at varying levels of difficulty where students must calculate the area or perimeter of different polygon shapes. You can choose to set up the page using any of these polygon...
Math Is Fun
Math Is Fun: Area of Irregular Polygons
Learn how to use coordinates to calculate the area of an irregular polygon.
CK-12 Foundation
Ck 12: Geometry: Area of Composite Shapes
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the area of composite shapes. Students examine guided notes, review guided practice, watch instructional videos and...
Texas Instruments
Texas Instruments: Approximation of Pi Using an Area Model
Students will approximate pi by setting up trigonometric ratios and calculating the areas of regular polygons inscribed within and circumscribed about a circle.
National Council of Teachers of Mathematics
Nctm: Figure This: Windshield Wipers
Test your mathematical aptitude with challenge exploring the concepts of measurement and geometry. Find the area of the windshield wipers to figure out who sees better in the rain, car drivers or truck drivers. An activity from the NCTM...
CK-12 Foundation
Ck 12: Elem Math: Perimeter With Side Lengths
[Free Registration/Login may be required to access all resource tools.] Students practice calculating the perimeter of various polygons.
ClassFlow
Class Flow: Polygon Review
[Free Registration/Login Required] This flipchart provides a review of polygons and formulas for calculating perimeter and area in the form of assessment questions.
Shodor Education Foundation
Shodor Interactivate: Perimeter Explorer
Use this applet to find the perimeter of a variety of shapes with the same or different areas.