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Infinite Secrets
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
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Geoboard Ideas
Learners build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.
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Perimeter and Area of Rectangles
Sixth graders solve for the area and perimeter. In this geometry instructional activity, 6th graders investigate polygons and use a formula to find the area and perimeter. They find the area and perimeter of various polygons.
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Location, Location, Location
Students investigate the properties of triangles. In this geometry instructional activity, students identify the location of different polygons. They identify the different properties of triangles and polygons.
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Ceva’s Theorem
Students prove and use Ceva's Theorem to solve problems. In this geometry lesson, students analyze polygons for patterns and calculate the area of each shape. They relate polygons to the real world.
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Exploring Properties of Rectangular Prisms
Students explore the properties of rectangular prisms. In this geometry lesson, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
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Geometry Assessment-"Chapter 2"
In this geometry worksheet, students match terms with definitions, and complete short answer questions about polygons and congruency.
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Visual Patterns in Tessellations
Students explore tessellations as well as various types of polygon. Students examine tessellating patterns in the world around them. Students examine tessellations by creating their own tessellations and completing the included worksheet.
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Exterior and Interior Angles of Triangles
Tenth graders explore the exterior and interior angles of triangles. They use a theorem in order to prove a theorem about all polygons. Students use the theorem and its applications to find the angles of different types of triangles.
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Find the Shape
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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Draw It!
Pupils follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the arrangements...
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Identifying and Classifying Solid Figures
Students identify solid figures. In this classification lesson, students recognize and name solid figures. Students identify which figures contain polygons and rectangles. Students practice counting vertices, faces and edges.
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Chapter 6: Geometry Perimeter and Area
In this perimeter and area instructional activity, students find the perimeter of various polygons. They compute the perimeter, surface area, circumference, and volume of given figures. Students explore trigonometric...
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Similar Polygons and Triangles Review
For this similar polygons and triangles review worksheet, students solve 33 short answer problems. Students determine if two given polygons are similar. Students explain the type of similarity if they find two polygons to be similar.
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Discovering Euler's Theorem
Students identify different parts of a prism and polyhedra. In this geometry lesson plan, students identify the number of faces, edges and sides of polygons. They solve problems by recognizing patterns.
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Menelaus' Theorem
Students investigate Menelaus Theorem. In this geometry activity, students calculate the area of polygons. They differentiate between boundaries point, interior points and area of lattice points.
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Finding the Area of a Parallelogram with Translations
Learners calculate the area of a parallelogram. In this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of parallelograms. In this geometry lesson, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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How Many Trees Can You Grow?
Students solve a story problem about how many trees can be planted in a given area. Using a map, they gather information about the size of the area and the dimensions of an acre. They use a specific equation to determine the area of...
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Investigating Nets and Polyhedra
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
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Lines of Symmetry
In this math activity, students practice drawing the lines of symmetry for each of the polygons. They also draw mirror images for the figures.
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Area and Perimeter Review
Learners calculate the area and perimeter of different shapes. In this geometry lesson, students name the different polygons based on their number of sides. They use the correct formula for each shape to calculate the area and perimeter.
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Cut It Out!
Students calculate the surface area of polygons. In this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.
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Congruence with Robot Gobot
Students identify the properties of solids and polygons. In this geometry lesson plan, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
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