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Lesson Plan
Curated OER

Find the Shape

For Teachers 4th - 5th
Students identify points on the coordinate plane using ordered pairs and also plot the ordered pairs on the coordinate plane. They also use properties of shapes to identify polygons such as triangles and quadrilaterals (square,...
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Lesson Plan
Curated OER

Geometry: Area

For Teachers 2nd - 6th
Students visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.
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Lesson Plan
Curated OER

Area and Perimeter

For Teachers 10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
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Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 4th - 6th
Students analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
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Lesson Plan
Curated OER

Complex Area Problems

For Teachers 9th - 11th
Students calculate the area of different polygons. For this geometry lesson, students find the area of complex polygons. They solve word problems using rates and distances.
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Lesson Plan
Curated OER

Area-Time to Get in Shape

For Teachers 9th - 10th
Students investigate the properties of triangles and parallelograms. In this geometry lesson, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent their findings.
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Lesson Plan
Curated OER

Geometry: Lesson 2

For Teachers 8th
Eighth graders engage in a lesson that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is identified as polygons.
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Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
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Worksheet
Curated OER

Polygons and Sketching

For Students 8th - 10th
In this geometry worksheet, students define and draw quadrilaterals. They differentiate between the different shapes. There are 3 questions with an answer key.
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Lesson Plan
Curated OER

Area of Polygons

For Teachers 10th
In this area of polygons worksheet, 10th graders solve and complete 12 various types of problems. First, they find the area of a given square. Then, students find the length of an original square as illustrated. They also write an...
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Worksheet
Curated OER

Find the Area or Missing Length of the Polygon

For Students 7th - 10th
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 provided.
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Lesson Plan
Ohio Department of Education

Describing and Creating Plane Figures - Grade One

For Teachers K - 2nd Standards
Young mathematicians draw, create, and describe different shapes using triangles. They discuss attributes of the original and created shapes. Pupils classify the created shapes and draw and write in mathematics journals to communicate...
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Lesson Plan
Curated OER

Area of Tangram Pieces

For Teachers 3rd - 4th
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use what they discover to...
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Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Young scholars explore geometry by participating in a shape rotation experiment. In this symmetry lesson plan, students identify the term symmetry and a list of other geometry vocabulary. Young scholars analyze shapes as they are turned...
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Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 1, Lesson 2: Dancing Duo

For Teachers 2nd
Second graders and teachers identify geometric vocabulary word by searching a geometry website. They create a Quilt Word Wall using the geometry words.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
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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Lesson Plan
Curated OER

Area and Perimeter of Polygons

For Teachers 10th
In this geometry worksheet, 10th graders calculate the perimeter and area using the specific formula for that polygon. There are 5 questions with an answer key.
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Lesson Plan
Curated OER

Cut - Stretch - Fold

For Teachers 2nd - 4th
Students work on determining the area of a tangram piece without using a formula by working with geoboards, graph paper, and tangram pieces. After completing the activity, they apply their experience to determining a formula for finding...
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Learning
School Mathematics Project

Resource Sheets

For Students 4th - 8th Standards
This extensive and far-reaching collection of worksheets puts a new twist on many basic concepts. Learners use multiplication to trace a path from one point to another, tile a plane by converting between improper and proper fractions,...
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Unit Plan
Curated OER

Transformations in the Coordinate Plane

For Teachers 9th - 12th Standards
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
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Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 6th - 8th
Students experiment with rearranging shapes to better visualize the Congruence and relationship of geometric shapes.
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Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
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Lesson Plan
Curated OER

Area Unit

For Teachers 9th - 11th
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...