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40 resources with the concept area of polygons

Videos (Over 2 Million Educational Videos Available)
Volcano Video
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Volcano
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How Computers Work: What Makes a Computer,...
Who was Frederick Douglass? Video
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Who was Frederick Douglass?
Other Resource Types (40)
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Worksheet
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Review Sheets: Basic Mathematics 2

For Students 5th - 8th Standards
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 
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Activity
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Olympic Display

For Students 3rd - 4th Standards
Design it with soda cases. After viewing a picture of a soda case display, pupils develop questions about the design using information from the teacher. Scholars use the information and their knowledge about area and multiplication to...
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Performance
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What’s Your Party Like? An Exploration of Area

For Teachers 9th - 12th Standards
Who knew that a party is all about the area. Individuals draw out a patio on grid paper while planning to host a party. Using colored paper to represent the total area of the patio, learners cut out furnishings to add to the patio,...
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Performance
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Your School’s Athletic Director Needs Your Mathematical Input!

For Teachers 9th - 12th Standards
Cover the field. Pairs investigate two different rolls of astroturf to cover a football field. The learners determine which type of roll is the most cost effective. Scholars write letters to the athletic director explaining their...
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Performance
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Tiling a Kitchen Floor

For Teachers 9th - 12th Standards
Cover the floor with math. Pupils work to determine the proper shape to cover a kitchen floor. They first determine the number of tiles to purchase and configure their placement to reduce the amount of waste. Teams finish by creating a...
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Unit Plan
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Subdivision Design and Quadrilaterals

For Students 9th - 12th Standards
They say real estate is location, it might be more about area. Learners work individually and in groups to design subdivisions by dividing the land up into lots. Scholars design floor plans to fit on the lots along with including a park....
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Instructional Video5:06
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Express an Area as an Expression by Decomposing Area (Example)

For Students 8th - 11th Standards
Cut the area into two. Pupils see how to use algebraic expressions to find the area of a composite figure. The video breaks the figure into two rectangles and finds the missing lengths to find the area. After multiplying the dimensions,...
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Lesson Plan
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Learning About Surface Area and Volume

For Teachers 3rd - 5th Standards
Plan a dinner party. Using a book by Marilyn Burns as a context, pupils learn about the relationships between area and perimeter and surface area and volume. The hands-on activities have learners rearrange tables and cut up meatballs to...
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Unit Plan
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Chris’ Garden Dilemma

For Teachers 2nd - 4th Standards
Make the connections between area, tiling, and multiplication. A performance task and associated unit presents the concept of area and makes the connection to multiplication. Pupils work through three major sections of instruction that...
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Interactive
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Area Builder

For Students 3rd - 6th Standards
All that matters is the tiles. Pupils use the interactive to investigate the relationship between area and perimeter using tiles. The interactive has an explore and a game mode to accommodate different steps in learning. The game mode...
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Assessment
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Painted Stage

For Students 11th - 12th Standards
Find the area as it slides. Pupils derive an equation to find the painted area of a section of a trapezoidal-shaped stage The section depends upon the sliding distance the edge of the painted section is from a vertex of the trapezoid....
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Lesson Plan
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Teaching Geometry Through Play

For Teachers 6th - 12th Standards
Puzzle your way through to a new understanding of area. Scholars learn about the area of polygons through equidecomposability, the idea that polygons that can be decomposed into the same set of pieces have the same area. By using...
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Instructional Video3:25
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Area of a Hexagon

For Students 8th - 10th Standards
A regular hexagon is made of six congruent triangles. A video lesson shows learners how to use this information to find the area of a hexagon given the side length. Because the triangles are equilateral, they use the Pythagorean Theorem...
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Activity
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R2D2 Post-Its

For Teachers 6th - 8th Standards
You can't go wrong with Star Wars! A video set to the Star Wars theme song presents a problem solving situation. The task? Determine how many small Post-It notes will fit on a bulletin board. The problem requires individuals to compare...
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Instructional Video4:21
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Area and Perimeter of Rhombuses and Kites: Lesson

For Students 6th - 10th Standards
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...
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Instructional Video4:23
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Area and Perimeter of Trapezoids: Lesson

For Students 6th - 11th Standards
With a little averaging, a trapezoid becomes a parallelogram. The section of an extensive geometry playlist shows how to derive the formula for the area of a trapezoid by changing it into a parallelogram. Using the formula, the video...
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Instructional Video3:26
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Area and Perimeter of Similar Polygons: Lesson

For Students 7th - 11th
Find the square of the scale factor. A component of a large playlist on geometry discusses the ratios of the perimeters and areas of two similar polygons. The resource shows examples in finding the ratios that lead to a pattern.
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Instructional Video11:47
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Proving Pick's Theorem

For Students 10th - Higher Ed
Pick up a resource on Pick's Theorem. Individuals watch a video explaining how to find the area of a polygon drawn on a lattice using Pick's Theorem. The film also shows a proof of the theorem using the Euler characteristic and algebra.
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Activity
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Poly-Gone

For Students K - 12th Standards
Investigate polygons from rectangles to triangles to octagons. Each level of the five-problem series targets a different grade level. Beginning with the level A problem, learners examine the relationship between area and perimeter by...
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Assessment
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Patterns in Prague

For Teachers 8th Standards
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
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Assessment
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Expressions

For Teachers 9th - 12th Standards
Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and...
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Lesson Plan
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Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
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Lesson Plan
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In 1 Collection
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Find the Area of Polygons by Decomposing into Triangles, Rectangles, Parallelograms, and Trapezoids

For Students 5th - 7th Standards
Take a multi-sided figure, such as a pentagon, and break it into smaller shapes to calculate the area. The video demonstrates this idea visually by breaking figures into small pieces and calculating each area. Also included, is a review...
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Instructional Video3:32
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In 1 Collection
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Find the Area of a Parallelogram by Decomposing

For Students 5th - 7th Standards
Using the area formula makes sense, but what about when finding the area of a parallelogram? The slanted figure is decomposed in the video to show how it still applies the area formula of base times height. The video addresses common...