Curated OER
Let's Play Mathematical Baseball
Students explore the concept of spelling geometric terms and words with number prefixes. In this spelling geometric terms and words with number prefixes lesson, students play a game of baseball. Students spell words correctly to advance...
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Exploring and Classifying Polygons
Not particularly coloful, but definitely informative, here is an introductory presentation on polygons. The basic shapes are covered, from triangles to decagons. Special polygons like the trapezoid and the rhombus are also covered. Not...
Curated OER
Shape Muddle
An engaging presentation is designed for young geometers. Pictures of basic shapes that are mislabeled, and learners must come up the correct name for each of the shapes. Simple, yet effective!
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Shape Tool
Students explore various polygons and examine how shapes can be manipulated in a variety of ways. In this shape tool lesson, students identify geometric shapes in two dimensions. Students identify and draw one line of symmetry in a...
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Interior Angles of Polygons
In this online math instructional activity, students determine the interior angles of polygons given their exterior measurements. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Exterior Angles of Polygons
In this online math worksheet, students find the exterior angles of polgyongs. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
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Perimeter of Triangles and Rectangles
Fifth graders study perimeter. In this math activity, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
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Polygon Necklaces
Pupils explore geometry by creating jewelry in class. In this polygons instructional activity, students identify different shapes and characteristics while creating polygon figures from construction paper. Pupils utilize a multitude of...
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Can You Make A...
In this shapes worksheet, students are asked if they can make certain shapes and then they draw them. Students draw 12 shapes total.
Pennsylvania Department of Education
Making Triangles
Students use interactive geoboards to identify simple geometric shapes. In this making triangles lesson, students describe the properties associated with geometric shapes. Students develop spatial sense and the mathematical meaning of a...
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Classifying Polygons
Learners study polygons. In this math lesson, students play a game in which they learn the classification system for polygons. Learners identify the properties of quadrilaterals.
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Regular Polygons
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Area of Combined Shapes - Turtle Combo
Students graph polygons using the name and number of sides. In this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.
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Creature Design
Fifth graders create mathematical creatures. In this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
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Stained Glass Polygons
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
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Who Let the Dogs Out?
Students calculate the perimeter and area of polygons. In this geometry lesson, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
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Polygons
In this polygon instructional activity, learners draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
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Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. For this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
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Circumscribed Polygons
Students investigate polygons and construct ferris wheels. In this geometry lesson, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and circumscribed polygons.
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Fractal and the Dragon Curve
Students explore Fractal designs. In this geometry lesson, students observe the different polygons created in nature and relate it to math. They define polygons on planes and rotate polygons about a point.
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Mandalas : polygons
Fourth graders create mandalas. In this mandala lesson, 4th graders look at these polygons in nature and man-made forms. They create their own by using tangrams.
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Plane Figures
Fifth graders create polygons requested by their teacher. In this polygons lesson, 5th graders watch a video and listen to a song about polygons. Then, students take turns labeling various polygons and practice making polygons.
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Polygons and Vertices
In this geometry worksheet, students analyze different polygons and relate it to a circuit board. They find the odd degree Euler circuit and identify the vertices of the odd degree. There are 3 questions with an answer key.
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Triangle Angle-Sum Theorem
In this polygons worksheet, students fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.