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Symmetry that is Basic and Beautiful
Learners explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Learners explore symmetry in real life objects.
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Shapes and Patterns- Kaleidoscope
Third graders create art using shapes. In this shapes and patterns lesson, 3rd graders explore multiple ways of combining shapes to create new objects and art.
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Measuring Angles
For this measuring angles worksheet, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also refer to...
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Christmas Tree Angles
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
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Dilation
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
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Rotation Symmetry
Students investigate the concept of symmetry by using various examples and performing independent practice with scaffolding provided by the teacher. They review reflection symmetry and cover the new rotation symmetry using manipuatives.
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Measure the Angle
Students measure angles.  In this angle lesson, students draw angles.  They  use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse. 
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Geometric Transformations
Students solve problems involving transformations of geometric figures. They review graphing points in the coordinate plain, plot points and connect to create a triangle. Then, they reflect triangles over the x and y axis and use...
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Time Travel, Black Holes, and Relativity
Students read the novel, The Time Machine, and compare H.G. Well's perceptions of the future with those presented in The Third Wave, by Alvin Toffler. They research current scientific and mathematical theories that relate to space and time.
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Mathematics in Art?
Fifth graders view prints of M.C. Escher's work. They look at examples of geometric figures and polygons and discuss places they have seen them. Students create their own tessellations. They write a report about the process they used in...
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Lesson Exchange: Polygons (Middle, Mathematics)
Students 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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Classifying and Constructing Corners
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
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Congruent Triangles Postulates
Students discover three lettered postulates that prove triangles congruent.
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A Shapely Activity
Fifth graders explore polygons in various shape activities. In this polygons lesson plan, 5th graders discuss and identify polygons by their number of sides. Students sort ceramic tiles by the number of sides on each piece. Students...
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Skateboard Flex
Young scholars examine statistics by completing a skateboard measuring activity. In this flex lesson, students define what skateboard "flex" refers to and identify the proper method of measuring flex by conducting an experiment with...
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Tangrams
Students 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 the...
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Inscribed Angles
Students analyze inscribed angles and intercepted arcs and explore the relationships between the two. They investigate the properties of angles, arcs, chords, tangents, and secants to solve problems involving circles.
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Using Circumference
Learners participate in a lesson that covers the concept of finding the circumference of a circle. The teacher covers relevant vocabulary with the students. They work in groups to measure objects and calculate the formula to find the...
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Circle Proofs
In this circle proofs worksheet, 10th graders complete 4 different problems that include circle proofs. They respond to each of the questions that deal with circle proofs. Then, students read the given information and use the circle...
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Quiz: Squares and Square Roots
In this squares and square root worksheet, students find the squares of ten perfect square numbers. The first five answers are written with an exponent of 2. The final five answers are to be written as a square root.
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Line Symmetry
In this line symmetry instructional activity, 10th graders solve 10 different problems related to various forms of line symmetry. They classify each line of symmetry illustrated as horizontal, vertical, both, or neither. Then students...
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Surface Area and Volume
In this surface area and volume worksheet, students identify and complete each of 20 problems containing a different sized cube. First, they determine the surface area of each cube given the dimensions for height and/or width. Then,...
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Transformation
In this transformation learning exercise, students identify and solve 10 different problems that include various images. First, they determine whether each object illustrated is a mirror image or reflection of the other image in the...