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76 resources with the concept pentagons

Lesson Planet

Methane Hydrates – What's the Big Deal?

For Teachers 9th - 12th Standards
Have you ever tried to light ice on fire? With methane hydrate, you can do exactly that. The ice forms with methane inside so it looks like ice, but is able to burn. The activity uses group research and a hands-on activity to help...
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Classifying Polygons: Lesson

For Students 4th - 8th Standards
For your eyes only: classify the names of polygons. After providing the definition of a polygon, the video introduces the two major classifications of polygons, concave and convex. The segment of a larger playlist on geometry continues...
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Transformations of Regular Polygons

For Students 9th - 12th Standards
Let polygons be polygons. Learners identify reflections and rotations that carry regular pentagons and regular hexagons onto themselves. They then make generalizations about n-gons.
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Conjectures and Proof

For Students 9th - 12th Standards
Transform proofs using triangle rotations. By rotating a triangle around various points, class members develop proofs. Participants prove relationships of alternative interior angles formed by parallel lines and the sum of the interior...
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Pentagon's Perimeter

For Students 9th - 12th Standards
Show your class how to use the distance formula to find the perimeter. Using a pentagon on a coordinate plane, pupils calculate the perimeter. They use the coordinates of the vertices of the pentagon to determine the length of sides. Two...
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For Students 4th - 8th
What shapes classify as a polygon? The resource provides the definition of a polygon and provides examples of polygons and shapes that are not polygons. The presentation gives an explanation of why each shape falls into the particular...
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For Students 2nd Standards
Identify shapes based on their attributes. Second graders are tasked to color triangles, quadrilaterals, pentagons, and hexagons specific colors. The one thing these shapes have in common? They are all polygons.
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Angles in Polygons

For Students 8th - 10th Standards
Show your class that finding angle measures is a regular calculation with a resource that provides 12 problems dealing with the measures of angles in regular polygons. Pupils use formulas for the sum of measures of angles in a polygon to...
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Shapes - Kindergarten

For Teachers K - 2nd Standards
Extend scholars' learning experience with a unit consisting of five shape lesson plans, an extension activity, assessment, and rubric. Begin by reading a story about shapes, then conduct an overview and assign pupils' their first...
1 In 1 Collection
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Unit 6 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
1 In 1 Collection
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Walking Polygons

For Teachers 4th - 6th Standards
Get up and move! With this kinesthetic activity, young mathematicians walk the sides and interior angles of given polygons. With pivoting and rotating, learners become familiar with the sum of the interior angles of a triangle.
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Alike or Different Game

For Teachers K Standards
How are a circle and triangle alike? How are they different? These are the types of questions children will answer while playing this fun geometry game. Including a variety of conventional and unconventional shapes, this activity allows...
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Draw Polygons Using Given Coordinates as Vertices

For Students 5th - 7th Standards
At the end of the activity your learners will be able to classify a polygon by the number of ordered pairs given in a coordinate plane used as the vertices. this is the first video in a progressive series of four using geometry to solve...
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Spotting Polygons

For Students 2nd - 3rd Standards
See all sides of the story with a worksheet on geometric shapes! After studying the example at the top, which matches polygons with solid figures, second graders circle shapes that are named in the directions. Next, they match polygons...
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Naming Polygons

For Students 3rd - 4th Standards
What polygon is this? Young geometers categorize shapes by circling all the quadrilaterals in a set of figures. Next, they write the names of 10 polygons using a visual guide as reference. Review the guide together before they start if...
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2-Dimensional Shapes: Naming Shapes

For Students 1st - 3rd Standards
Get to know eight shapes by name: square, rectangle, triangle, pentagon, hexagon, and octagon. Young geometers write the correct name below each of these shapes, using a word bank for guidance. Then, they draw two of the shapes (hexagon...
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2-Dimensional Shapes: Drawing Shapes

For Students 2nd - 3rd Standards
Some of the best practice with shape identification comes from drawing the figures first-hand. Young geometers draw nine two-dimensional shapes: rectangle, circle, square, pentagon, hexagon, octagon, triangle with three equal sides,...
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What Am I?: Geometric Shape Riddles

For Students 1st - 3rd
Combine literacy, problem-solving, and geometric shape recognition with this riddle learning exercise. Scholars solve 4 riddes, naming the shape described in each. Descriptions are in first person, and include a real-life look-alike. For...
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Understand Categories of Shapes

For Students K - 1st
This colorful set of shapes and figures is the data set learners need to fill out an extensive table. For each of 11 types of shapes or figures they record the quantity and how many corners and sides each has. This becomes more difficult...
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What is a Polygon?

For Teachers 4th - 8th
What makes a figure a polygon? Does it have three or more sides? Is it a closed figure? If the answer is yes to both of those questions then it's a polygon. But wait! Some of these polygons have special names based on the number of sides...
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Geometry: Shapes

For Teachers 1st - 2nd
Use this resource as a way to kick off a lesson on geometric shapes. A hexagon, pentagon, and rectangle are hidden in each slide. Learners have to identify the shapes.
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Air Force Trains Warriors to Defend Cyberspace from Terror

For Students 7th - 12th
Students explore the use of computers in the military.  In this lesson, students read an article on plans the Air Force is making to increase their use of computers to fight terrorism, then participate in a discussion on the reading,...
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What is a Prism?

For Teachers 6th - 9th
I always thought a prism was a solid triangular shaped piece of glass that made rainbows when the light shined through it. Well, that is a prism, but that is only one example of a prism, as prisms are three-dimensional solids of a...
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Name That Shape!

For Students 5th
In this shapes worksheet, 5th graders use the drawing given to answer and name the following 4 types of shapes: triangles, pentagon, octagon and quadrilaterals. Students connect the 2 points G and D and then name the shape of formed....