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Angles, Parallel Lines, and Polygons
Students examine how to investigate polygons using an instrument of their own construction. They should be able to prove the general formula for the number of degrees in any polygon (including a triangle). Finally they investigate an...
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Area Calculations
In this calculating area learning exercise, students calculate area and the value of x of given shapes. A reference web site is given for additional activities.
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Side Lengths of Similar Shapes
In this side lengths activity, students determine the value of x in 4 pairs of shapes. A reference web site is given for additional activities.
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Calculate Area
For this area worksheet, students calculate the surface area of 3 given shapes, showing their work in spaces provided. A reference web site is given for additional activities.
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Calculate Perimeter
In this perimeter worksheet, students find the perimeter of a set of 6 given shapes. A reference web site is given for additional activities.
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Classify Prisms
Students classify prisms according to their attributes. In this classifying prisms lesson plan, students explore different prisms. Students generate observations of the attributes and classify the prism correctly.
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"The Greedy Triangle" by Marilyn Burns
Students discover which regular polygons can be used to tile a plane.
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Classifying Solids
In this geometry activity, students write the name of the shape, and identify the number of vertices, edges, and faces for 6 e-dimensional shapes. Students draw 3 shapes, and classify groups of pictures.
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Sketch Up
Students estimate and measure exact. In this geometry lesson, students create different object in three-dimensional pattern. They use SketchUp to create their shape and perform measurements on their shapes.
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Square- Pyramid Net- Learning Tool
In this geometry worksheet, students cut out the net for a square pyramid. They cut along the dotted lines and fold the shape into at three-dimensional model.
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Area of Polygons
In this math worksheet, students find the area and perimeter of the regular and irregular polygons. They pay attention to use the proper measurements for calculation.
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Investigation-On the Surface
Students compute the surface area of 3 geometric solids to determine the shape of package that would require the least amount of paper to wrap. For this geometry lesson, students work on a two-question assessment embedded in the plan....
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Three Dimensional Figures
In this geometry learning exercise, students draw different views, describe patterns, count units, and answer short answer questions with shapes containing cubes. This learning exercise would be an excellent homework assignment.
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Classify and Identify Polygons
In this polygon activity, students observe pictures of polygons and identify their proper name. They read descriptions of polygons and determine the polygon described. This one-page activity contains ten problems.
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Triangle Angle-Sum Theorem
For this polygons worksheet, learners fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.
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Line, Line Segments and Rays
In this geometry worksheet, students identify items as either lines, line segments or rays by checking the appropriate box beneath each figure.
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Polygons and Plane Figures
Students choose a polygon to define and describe, and use Power Point and the Internet to present their polygon.
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Lesson Exchange: Polygons (Middle, Mathematics)
Learners discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
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Symmetry
Sixth graders explore symmetry and discuss the difference between a rotation and reflection. Using hands-on activities, such as folding paper shapes, they discover how to find the lines of symmetry and symmetrical characteristics. As a...
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Symmetry In Nature
Students investigate the symmetry that is found in nature. They view shapes and patterns in nature while looking at images. Students look for tessellations while obtaining photographs with a digital camera. The information is used for...
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Back to the Bees (Tesselations)
Sixth graders observe the creation of a tessellation with hexagons. In groups, they work with polygons to discover what shapes can be used to create tessellations and explore the angle measurements of each shape. Using internet websites,...
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Irregular Fractals
Pupils study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
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Regular or Irregular? Polygons
In this polygon activity, students determine whether a set of given polygons are irregular or regular. A reference web site is given for additional activities.
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Tangrams
Young scholars construct the tangram pieces from a square paper by following directions to fold and cut. They make observations on the pieces formed and compare how they are related to each other. They explore patterns and shapes with...
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