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Lesson Plan
Curated OER

Geometric Shapes at the OK Corral

For Teachers K
Students explore regular geometric shapes. In this shapes lesson, students investigate geometric shapes in the world around them. Students differentiate between regular and irregular shapes.
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Worksheet
Curated OER

Planes and Lines

For Students 10th
In this geometry worksheet, 10th graders determine the number of planes that can pass through a given point and are perpendicular to a given line.  The one page worksheet contains one multiple choice question.  Answer is...
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Worksheet
Curated OER

Geometric Concepts and Polygons

For Students 9th - 11th
In this geometry worksheet, learners identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
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Worksheet
Curated OER

Angle Bisectors

For Students 10th
In this angle bisector learning exercise, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a...
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Lesson Plan
Curated OER

Identify Cones

For Teachers 3rd
Third graders evaluate the attributes of cones. In this space shapes instructional activity, 3rd graders analyze three-dimensional shapes. Students explore the faces and edges of a cone.
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Lesson Plan
Curated OER

Figure It Out - Polygons

For Teachers 6th
Sixth graders explore different polygons. In this polygon lesson, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
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Lesson Plan
Curated OER

Cutting Corners

For Teachers 2nd
Second graders examine two-dimensional shapes using their characteristics. In this shapes lesson, 2nd graders identify similarities and differences by using cut out shapes, diagrams, mirrors, and graphic organizers.
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Worksheet
Curated OER

Compare Area and Perimeter of 2D Shapes

For Students 5th - 6th
In this area and perimeter worksheet, students compare area and perimeter of pairs of figures, determining which has either the greatest area or perimeter. A reference web site is given for additional activities. 
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Lesson Plan
Curated OER

Circles, Rectangles, Squares, Triangles

For Teachers K
Students identify, compare and classify the various shapes. In this shapes lesson, students listen to descriptions of shapes with words such as sides, angles, congruent, and parallel. Students then give the teacher examples of shapes...
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Lesson Plan
Pennsylvania Department of Education

Making Triangles

For Teachers Pre-K - 2nd
Learners use interactive geoboards to identify simple geometric shapes. In this making triangles lesson, students describe the properties associated with geometric shapes. Learners develop spatial sense and the mathematical meaning...
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Lesson Plan
Curated OER

Geometry Journal: Classifying Solids

For Teachers 10th
In this geometry worksheet, 10th graders respond to journal prompts related to prisms and classifying solid shapes.  The two page worksheet contains nine questions.  Answers are included. 
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Lesson Plan
Curated OER

Creature Design

For Teachers 5th
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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Lesson Plan
Curated OER

Symmetry that is Basic and Beautiful

For Teachers 1st - 3rd
Pupils explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Pupils explore symmetry in real life objects.
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Worksheet
Curated OER

Math - "Solid Shapes" - Comparing 3-D Objects

For Students 3rd - 5th
In this geometry worksheet, students learn about 3-D objects and how to describe them. They then answer 10 questions using the information they learned. The answers are on the last page.
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Lesson Plan
Curated OER

Our Geometric World

For Teachers 3rd
Third graders explore the attributes of polygons. In this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
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Worksheet
Curated OER

4th Grade Math Geometry Practice

For Teachers 4th - 5th
For this 4th grade geometry worksheet, students complete a set of 20 questions related to grade 4 geometry concepts. An answer key is included. 
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Lesson Plan
Curated OER

Cut, Construct and Think

For Teachers 4th - 5th
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...
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Lesson Plan
Curated OER

Blocks in a Sock

For Teachers 1st
First graders identify geometric solids. In this shapes and solids beginning geometry lesson, 1st graders reach into a bag and identify the geometric solid they feel. Students describe shape attributes and match two dimensional shapes to...
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Lesson Plan
Curated OER

Polygon Necklaces

For Teachers 4th - 5th
Students explore geometry by creating jewelry in class. In this polygons lesson, students identify different shapes and characteristics while creating polygon figures from construction paper. Students utilize a multitude of shapes...
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Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
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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Lesson Plan
Curated OER

Exploring Projective Geometry

For Teachers 7th - 8th
In this exploring projective geometry worksheet, students use computer software for instruction, then answer 9 questions about 3D drawings.
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Lesson Plan
AIMS Education Foundation

Shifty Shapes

For Teachers K - 1st Standards
Shape shifters examine and experiment with pattern shapes.  In this geometry lesson, they work in groups to name and describe pattern block shapes, and they discover the combinations of shapes that can be placed inside a hexagon.
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Lesson Plan
Curated OER

Geoboard Area

For Teachers 3rd - 6th
Students explore the basic geometric shapes and geometric shape vocabulary through the use of geoboards and virtual geoboards. They create a variety of shapes with a partner, build ten different rectangles on their geoboards, and...
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Worksheet
Curated OER

Three Dimensional Figures

For Students 3rd - 5th
In this geometry worksheet, students study diagrams with labels of common geometric figures. Students then answer 24 questions. Then they draw and label their own figures.