Worksheet
Curated OER

Polygons

For Students 5th - 7th
In this polygon worksheet, students draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
Lesson Plan
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Quilt Squares

For Teachers 7th - 8th
Young scholars research the history of the quilt in American History and view a PowerPoint Presentation. They create a quilt square with colored paper using polygons, transformations, rotations, and reflections on the computer and on a...
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons worksheet, 10th graders solve 18 various types of problems related to different forms of polygons. First, they state the number of sides for each convex polygon and then, use the polygon shown to respond to each of 6...
Worksheet
Curated OER

Exterior Angles

For Students 10th
In this exterior angles worksheet, 10th graders solve and measure 10 different angles and figures related to exterior angles. First, they determine how many degrees there are in the sum of the exterior angles of a regular heptagon. Then,...
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons worksheet, 10th graders solve 10 different problems that include various types of polygons. First, they determine the number of sides that a polygon has if the exterior angle is a certain degree. Then, students determine...
Worksheet
Curated OER

Polygons - Sum of Interior Angles

For Students 7th - 8th
In this polygon instructional activity, students determine the sum of the interior angles of a figure. Given the sum of the interior angles, they determine the number of sides of a polygon and the measure of one central angle. This...
Worksheet
Curated OER

Polygons

For Students 10th
For this polygons worksheet, 10th graders solve 10 different problems that include determining various interior angles in polygons. First, they determine the number of sides a polygon has with a given measure for each angle. Then,...
Worksheet
Curated OER

Classify and Identify Polygons

For Students 6th - 8th
In this polygon learning exercise, students observe pictures of polygons and identify their proper name. They read descriptions of polygons and determine the polygon described. This one-page learning exercise contains ten problems.
Worksheet
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Quadrilaterals and Other Polygons

For Students 5th
In this polygon worksheet, 5th graders name 6 polygons, tell if each one is a regular polygon or not and tell if it is a special quadrilateral.
Lesson Plan
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Parallel and Perpendicular Lines

For Teachers 5th
Fifth graders complete activities to investigate parallel and perpendicular lines. In this plane geometry lesson, 5th graders watch a movie about parallel and perpendicular lines. Students work in pairs to describe and draw the lines in...
Lesson Plan
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The Greedy Triangle

For Teachers 3rd - 4th
Young scholars discuss figures with various numbers of sides.  For this geometry lesson, students are read The Greedy Triangle by Marilyn Burns, they participate in a class discussion of many sided figures and are introduced to the...
Lesson Plan
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Meet the Polygon Family

For Teachers 4th
Fourth graders investigate regular polygons. For this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
Worksheet
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Geometry: Shapes

For Students 2nd - 4th
In this geometry/shapes instructional activity, students select the shape in a row that is similar to a shape that begins the row, 4 rows total.
Lesson Plan
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Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Lesson Plan
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Congruency Basics

For Teachers 4th
Fourth graders investigate congruent shapes. In this congruency activity, 4th graders explore examples of congruent shapes. Students determine how to check for congruency by sliding or flipping the shape.
Lesson Plan
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Tunnel Traps

For Teachers 1st - 3rd
Students identify shapes that match specific shape descriptions involving a range of geometric terms and correct polygon names. They utilize a mathematics educational software program to gain practice.
Lesson Plan
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Polygons and Angles

For Teachers 6th
Sixth graders estimate the measurement of angles and then measure the exact distance using an angle ruler. In groups, they explore shapes and recognize the characteristics acute, obtuse and right angles. Students sketch required shapes,...
Lesson Plan
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Cut, Construct and Think - 4

For Teachers 5th - 8th
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
Lesson Plan
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Cut, Construct and Think 3

For Teachers 5th - 8th
Learners identify and create shapes. In this geometric shapes lesson plan, students identify various polygons and try to create new shapes using existing polygons.
Lesson Plan
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Cut, Construct and Think - 6

For Teachers 5th - 8th
Students identify polygons and calculate perimeter. In this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Lesson Plan
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Using 2 and 3 Dimensional Geometric Shapes

For Teachers Pre-K - K
Students explore geometry by participating in a shape identification activity. In this figure dimensions lesson, students identify the difference between 2 and 3 dimensional shapes by their vertices and faces. Students examine blocks in...
Lesson Plan
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Polygons

For Teachers 4th
Fourth graders identify and describe lines, shapes, and solids using formal geometric language. They use Inspiration to create a graphic organizer and outline of polygons.
Lesson Plan
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Tetrominoes Cover-Up

For Teachers 3rd
Third graders are given square tiles and participate in a demonstration on how to arrange them. Using the tiles, they work with a partner to discover how many two-dimensional tetrominoes they can create. To end the activity, they must...
Lesson Plan
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Polygons All Around Us!

For Teachers 9th - 12th
High schoolers explore the concept of polygon properties. In this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. High schoolers identify different geometric...