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Triangle Angle-Sum Theorem
In this polygons instructional activity, 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.
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Describe Five Polygons
In this polygons worksheet, students use the parallel, acute, right, obtuse, straight, and reflex to describe the five shapes provided.
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Angles, Symmetry, and Quadrilaterals in Four Exercise Sets
In this angles worksheet, students calculate the size of angles, draw lines of symmetry, and form quadrilaterals in four exercise sets. The solutions are provided.
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Measuring for Perimeter
Third graders find the perimeter of a polygon. In this measurement lesson, 3rd graders use yardsticks to measure straight-lined objects to the nearest 1/2 inch. Student choose a "mystery object," find the perimeter, and record it on the...
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Problem Solving Using Power Polygons
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson plan, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
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Math Worksheet: Area (3)
In this area instructional activity, students find the area of one irregular polygon. Students find the area by dividing the irregular polygon into multiple regular polygons.
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Perimeter and Circumference
Students consider perimeter and circumference. In this lesson plan on perimeter, students will determine relationships between perimeter and circumference using real life examples.
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Find the Area or Missing Length of the Polygon
In this area and perimeter worksheet, students find the length or area of seventeen figures. The figures examined are triangles, trapezoids, parallelograms, rectangles, and hexagons. Some examples and solutions are...
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A Shapely Activity
Fifth graders explore polygons in various shape activities. In this polygons lesson, 5th graders discuss and identify polygons by their number of sides. Students sort ceramic tiles by the number of sides on each piece. Students explore...
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I Spy Shapes
Students play a game in which they name geometric shapes. In this geometric shape lesson, students ask "yes and no" questions to determine which shape one of their classmates has chosen. They ask questions that lead them to the name of...
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Algebra/Geometry Institute: Area of Polygons
Students find the area of polygons. In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons. They identify each given figure and determine the appropriate formula...
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Perimeter
Fifth graders create math word problems. In this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the...
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Polygon Jigsaw Puzzle
For this polygons worksheet, students put a polygon jigsaw puzzle back together to form the planet Earth. Students put 10 polygons together.
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The Greedy Triangle
Students discuss figures with various numbers of sides. In this geometry instructional activity, students are read The Greedy Triangle by Marilyn Burns, they participate in a class discussion of many sided figures and are...
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Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
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Polygons- Vertices and Sides
In this polygons worksheet, students name a set of 8 polygons, then state how many vertices and sides each has. Answers included on page 2.
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Formula Determination
Students derive a formula for the interior degrees in any convex polygon. In this geometric figure lesson, students determine the shapes of various polygons and the number of triangles formed. They use this information to derive the...
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Polygons
For this polygons worksheet, students name each polygon, and state how many vertices and sides each one has. Students do this for 8 different polygons.
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2D and 3D figures
In this 2D and 3D figure learning exercise, students name different shapes and decide if they are polygons or not. Students complete 8 problems.
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Geometry: Cut, Construct and Think
Learners explore polygons. In this geometry skills lesson, students complete an activity that requires them to solve geometry problems that involve polygons as they piece together geometric shapes. Learners analyze the shapes they create...
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Find the 2D shape
In this 2D shapes worksheet, students find the rectangular prism, triangular prism, pentagon, and triangle. Students have 3 shapes to choose from in each of the 4 problems.
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Names of figures
In this shapes worksheet, students pick the correct names of the 2D shapes, and pick out the correct 2D shape. Students complete 4 problems total.
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Geometry Skills: Solid and Plane Figures
In this geometry skills worksheet, students respond to 4 questions that require them to examine geometric figures and change them to solid figures and plane figures.
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Cut, Construct and Think
Students complete geometrical shapes construction activities. In this geometrical concepts lesson, students cut shapes from a worksheet to create a geometrical study activity. Students analyze their shapes and complete a table. Students...