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Lesson Plan
Curated OER

Scalene Triangles

For Teachers 5th
Fifth graders identify and classify scalene, equilateral, and isosceles triangles. In this triangle instructional activity, 5th graders define the different attributes of 3 types of triangles and sort them by descriptions and...
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Lesson Plan
Curated OER

Cones, Cylinders, Spheres

For Teachers 9th - 11th
Students classify polygons by name and shape. In this geometry activity, students identify the lateral surface of each conic. They differentiate between cones, cylinders and spheres.
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Lesson Plan
Curated OER

Distance Formula

For Teachers 7th - 9th
Students calculate the distance formula. In this geometry lesson, students find the distance between two points on a coordinate plane. They identify the four different quadrants.
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Lesson Plan
Curated OER

Sketching Prisms

For Teachers 9th - 12th
Students sketch and create nets of different polygons.In this geometry lesson, students differentiate prisms from other three-dimensional shapes. They define the properties of prisms.
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Lesson Plan
Pennsylvania Department of Education

Making Triangles

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

Graphing Coordinates

For Teachers 6th
Sixth graders practice graphing coordinates. For this geometry lesson, they use the x and y axis to locate points that must be connected in the right sequence to form a straight line.
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Lesson Plan
Curated OER

Transversal and Angles

For Teachers 10th
Tenth graders identify angles formed by parallel lines and a transversal. Using meter sticks and bolts, they perform hands-on activities to demonstrate the properties of parallel lines and congruent angles. They color code diagrams to...
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Lesson Plan
Curated OER

Congruent and Similar figures

For Teachers 8th
Eighth graders explore congruent and similar figures.  For this eighth grade geometry lesson, 8th graders use geoboards to create congruent and similar figures and explore the relationships between the sides and angles. 
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Worksheet
Curated OER

Transformations and Translations

For Students 7th - 8th Standards
In this transformations/translation worksheet, students draw transformations based on shapes and vectors of given translations. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Speedy Area

For Teachers 8th - 10th
Students calculate the speed, rate and distance. In this geometry lesson, students calculate the area and perimeter of polygons. They perform an activity with a CEENBoT and calculate the distance and speed.
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Lesson Plan
Curated OER

The Search for Pythagoras' Treasure

For Teachers 8th - 10th
Students identify and define properties of triangles. In this geometry lesson plan, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Lesson Plan
Curated OER

Tessellations

For Teachers 4th - 7th
Students form repeating patterns using tessellations. For this tessellations lesson, students identify shapes and illustrate three types of transformations. A website is included with the lesson which provides extension activities and...
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Lesson Plan
Curated OER

Lines and Angles

For Teachers 4th - 5th
Students explore Geometry with Twizzlers Candy, pipe cleaners, paper, pencils, and protractors. They manipulate these items to create different angles introduced by the teacher.
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Lesson Plan
Curated OER

Creating Tessellations

For Teachers 3rd
Third graders explore the history of tessellations; then use art and geometry to create an original tessellation.
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Lesson Plan
Curated OER

Geometrical Terms

For Teachers 10th - 11th
In this geometrical term worksheet, students read clues to geometry terms and write the answer beside each clue. A list of definitions is listed at the bottom of the page. This one-page worksheet contains 20 clues to definitions.
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Lesson Plan
Curated OER

Math Quilts

For Teachers 2nd - 6th
Students examine geometric shapes. In this geometric shape lesson plan, students examine how geometric shapes flip, turn, and slide to create a pattern. Students analyze the role that quilts played in helping slaves escape to freedom. ...
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Lesson Plan
Curated OER

Structures and Shapes

For Teachers 3rd - 4th
Students make jewelry using different shapes from magazines, tissue paper, cardboard, and other materials. In this making jewelry lesson plan, students complete this hands on activity to discuss how shapes are used.
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Lesson Plan
Curated OER

Types of Triangles

For Teachers 1st - 2nd
Students classify triangles by the length of their sides. In this geometry lesson, students use a white board to demonstrate the angles of various triangles. Students construct an equilateral, isosceles, and a scalene triangle.
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Lesson Plan
Curated OER

Plain Figures and Measuring Figures

For Teachers 10th - 12th
Students investigate basic geometric concepts. In this geometry activity, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.      
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Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students use graph paper to trace...
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Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this geometry instructional activity, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons.  The one page instructional activity...
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Lesson Plan
Curated OER

An Application of Congruence

For Teachers 9th - 10th
Students solve triangles using the properties if congruency. In this geometry lesson, students apply congruent and similar figures to solve real world and math problems. They show they are able to follow instructions.
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Lesson Plan
Curated OER

Euler Characteristic

For Teachers 9th - 11th
Pupils identify the different properties of Euler's Characteristics. In this geometry lesson, students identify the shape and surface a polygon. They relate the concept of Euler to solving real world problems.
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Worksheet
Curated OER

The Lady of Shalott Theme of Art and Culture

For Students 9th - Higher Ed
In this reading comprehension worksheet, students respond to 4 short answer and essay questions based on themes of art and culture in "The Lady of Shalott." Students may also complete their choice of 3 reading activities suggested.

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