Curated OER
Parallel and Perpendicular Lines
Fourth graders create a dance with a partner that shows parallel and perpendicular lines. In this lines lesson plan, 4th graders create symmetrical designs and line pairs with their partner.
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Math Lesson: Rotational Symmetry
Students analyze lines of symmetry and rotational symmetry in designs. They practice dividing a shape along its line(s) of symmetry and discuss the relationship between lines of symmetry and number of sides as well as rotations.
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Math: Symmetry and Similarity
Students describe the differences between congruence and similarity. After explaining the motions that indicate congruency of two shapes, they complete worksheets to draw lines of symmetry and similar shapes. With straws and twist...
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Symmetry in Kaleidoscope Designs
Students define reflection, rotation and symmetry. In this symmetry lesson, students move the graph around the coordinate plane and identify the line of symmetry. They identify the different designs of a kaleidoscope.
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Geo Jammin' By DeSign - Day 3, Lesson 16: The ABC of Symmetry
Students follow directions in the ABC of Symmetry to make a butterfly which shows a line of symmetry.
Baylor College
Water: The Math Link
Make a splash with a math skills resource! Starring characters from the children's story Mystery of the Muddled Marsh, several worksheets create interdisciplinary connections between science, language arts, and math. They cover a wide...
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Halves
Is it half? There are three sections to this introductory fractions learning exercise focusing on halves. First graders begin by coloring half of five basic shapes, each of which already is divided into two parts. Next, they examine four...
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Symmetry in Paper Airplanes
Students explore symmetry. For this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles. Students measure the plane's angles using a protractor,...
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Creating and Destroying Symmetry
High schoolers study the types of symmetry that appear in different basketball symbols. They point out changes that rotate symmetry from one type to another.
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Symmetry of the Addition Table
Help your class discover the commutative property of addition with this exploration of the addition table. By folding and coloring the table, a symmetry is found that directs students to an understanding of this crucial mathematical...
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Drawing Lines of Symmetry
Third graders explore the concept of symmetry using geometric shapes, capital letters and various other shapes. They fold shapes to show symmetry, draw lines of symmetry and create symmetrical designs.
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Using Symmetry to Create a Community Quilt
Students create a class "quilt" made of paper. In this hands-on symmetry lesson, students fold paper to create symmetrical figures then work in groups to color quilt patches that will form together to make a symmetrical class quilt.
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Art in Southern Africa: symmetry
In this symmetry instructional activity, students read about art in Southern Africa, daw art of their own, and draw lines of symmetry through the art. Students draw 3 lines of symmetry.
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Reflections over Two Lines & Dilations
Learners create reflections over two lines. In this reflections worksheet, students compare and contrast reflections over parallel and intersecting lines. They dilate figures and investigate the effect of the dilation using measurement...
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Rotational Symmetry
In this rotational symmetry worksheet, 10th graders identify and compare 10 different figures illustrated on the sheet. They write the order of rotational symmetry seen in each figure as compared to the others. They also define an object...
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Symmetry of the Southwest
Fourth graders examine mirror symmetry. In this symmetry instructional activity, 4th graders discover that symmetry is not always vertical or horizontal. Students cut and fold shapes along lines of symmetry.
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Lines of Symmetry
In this lines of symmetry instructional activity, students check either yes or no to determine whether 3 pictures have rotational symmetry or not. A reference web site is given for additional activities.
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Spiral Symmetry
Taking the notion of symmetry to the next level, this looks at combining rotation and translation symmetry to build spiral symmetry in three dimensions. Using the Zome modeling system and an instructor’s guidance, geometers try to build...
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Sensational Symmetry
Stdents create symmetrical designs by cutting folded paper in this cross-curricular lesson for the Math and Art classsroom. The lesson is adaptable for any grade or ability level.
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Line Symmetry
Fourth graders identify line symmetry. In this geometry activity, 4th graders are given various pictures and identify if they are symmetrical. Students search through magazines for symmetrical pictures.
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Line Symmetry
In this line symmetry practice activity, students sharpen their problem solving skills as they solve 6 story problems.
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Reflections
Learners explore reflection of polygons on a coordinate plane. They examine the relationships that exist between corresponding points and sides.
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Geometry Practice Exam
In this reflections and rotations worksheet, learners reflect and rotate lines in graphs and draw lines of symmetry through patterns. Students complete 24 problems.
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Geometry Exam
In this reflections and symmetry worksheet, students draw lines of symmetry in shapes and patterns and reflect letters over lines in graphs. Students complete 20 problems.