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Transformations
Several practice exercises suitable for any geometry class working on transformation, symmetry, and tessellation -- especially visual representations of image translation, rotation, and reflection, symmetry, tessellations and tangrams --...
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Geometric Solids
Students identify and create simple geometric shapes and describe simple spatial relationships. Through discussion, hands-on activities and show and tell, they identify geometric solids in real life and create graphs of commonly found...
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Quadrilateral Explorations-Grade Nine
Ninth graders investigate quadrilaterals. In this geometry lesson plan, 9th graders examine and classify quadrilaterals using the slope, midpoint and distance formulas. Additionally, students create various quadrilaterals...
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Perimeter, Area and Volume
Young scholars compute area. In this perimeter, area and volume lesson plan, students examine given objects and determine the perimeter, area, and volume of each.
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Scenario Challenge
Learners create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
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Geometry of Radio Meteor Reflections
Ninth graders investigate and describe ways that human understanding of Earth and space has depended on technological development. They describe and interpret the science of optical and radio telescopes, space probes and remote sensing...
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Discovering The Ratio Pi And The Diameter
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
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A Rectangular Prism and Its Net
Identify the nets for prisms and other geometric shapes. Learners calculate the surface area of the rectangular prism then sketch the shapes of prisms and other polygons. Unfolded cereal boxes are used as a visual aid, great idea!
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A World of Symmetry
Students identify lines of symmetry. In this symmetry lesson plan, students create objects and identify their lines of symmetry. They answer questions about lines of symmetry. Students cut shapes out of cookie dough and...
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Enlargement Worksheet
In this geometry worksheet, students figure out the center of enlargement and the scale being used. They find the image and pre-image and label it. There are 7 questions.
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Hoe Long Does it Take to Get to a Star
Students calculate the distance in light years. In this geometry activity, students solve problems involving distance, using the distance formula. They rewrite big numbers using scientific notations and apply their knowledge of everyday...
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Finding Perimeter and Area
For this area and perimeter worksheet, students are given the equations to find the perimeter and area of objects. They practice finding the perimeter by measuring the sides of given objects and adding them together. They find the area...
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Octagon Lesson Plan
Students investigate octagons using words and shapes. In this geometry lesson plan, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
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Up, Up and Away
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
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Blast Off with Model Rockets
Students investigate science and math by building a rocket. In this geometry lesson, students build a rocket using paper towel tubes while investigating questions about launching a rocket. They discuss balance and unique structure as...
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Patterns Here, There, and Everywhere!
Upper graders access the Microsoft Word program and create patterns by utilizing certain keys on the keyboard. They create picket fences, smiley faces, and hearts. It seems that this lesson has as much to do with keyboarding skills as it...
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Mass Measurement
Middle schoolers explore geometry by completing a physics activity on-line. In this mass measurement activity, pupils define the terms mass, volume, and density and identify their relationship with each other. They complete an on-line...
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Creating Fractals
Students solve problems using fractals. In this geometry lesson, students identify properties of fractals. They find patterns in their surroundings and relate it to the real world and math.
PBS
Using Symmetry to Create Corporate Logos
Young mathematicians investigate the use of symmetry in graphic design. After first learning about reflection, translational, and rotational symmetry, children use this new knowledge to identify symmetry in letters of the...
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Identifying Lines of Symmetry
Students calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Sketching Spheres
Students investigate spheres through sketches. In this geometry lesson, students sketch two and three dimensional shapes creating nets. They find and differentiate between the nets for prisms, pyramids, cones, cylinders and spheres.
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Similar Triangles
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
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Analyzing Body Angles
Students investigate angles of polygons. For this geometry lesson, students identify the relationship between angles and the number of sides in a polygon. They differentiate between sumilarity anf congruence in angles and sides.
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Studying Special Segments in Triangles
Students investigate special segments in triangles. In this geometry lesson plan, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.