Curated OER
Symmetrical Measurements of The Body
Third graders find symmetry in their body. In this symmetry lesson, 3rd graders look at different geometric shapes and identify which ones are symmetrical and find their line of symmetry. They measure body parts to the nearest half inch...
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Congruent Segments
The task, should your class decide to take it, is to list a series of reflections that transfer a line segment from one position to another.
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Introduction to Fractals: Infinity, Self-Similarity and Recursion.
This instructional activity introduces students to the ideas involved in understanding fractals. They develop a sense of infinity, self-similarity and recursion and
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Roger Brown
Students examine and discuss the use of symmetry in a painting by the artist Roger Brown. They draw a geometric shape, divide it with a line of symmetry, and create a painting using the geometric shapes demonstrating symmetry.
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Logo Licenses
Third graders find all the lines of reflection symmetry in a given shape, identify the order of rotational symmetry of a given shape. They create designs which have reflection symmetry, rotational symmetry (orders 2, 3, 4, 6) and...
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Hidden Jewels of Geometry
Students identify different geometric shapes, and arrange them artistically in original jewelry designs.
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No-Three-In-A-Line Again
Learners interpret information and results in context while using words and symbols to generalize patterns. They use symmetry and angle properties of polygons to solve practical problems and identifying invariant properties under...
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Mondrian, Math, and Amazing Colors
Students study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
Hawaiʻi State Department of Education
Peace Quilt
Learners explore color, shape, line, balance, radial symmetry, unity, repetition, and pattern as they make a peace quilt inspired by those made by Hawaiian women in the 1800s. After learning a bit about the history or peace quilts, the...
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Angles Activities
A series of geometry worksheets have mathematicians constructing, dissecting, overlapping, and measuring as they analyze angles in various contexts. Learners use symmetry and reflections in a compass rose to write instructions on...
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Geo Jammin' By Design - Day 7, Lesson 38: Kool Cups
Create geometric cups by interpreting directions, informational text, and mathematical concepts. Critical thinkers apply geometric theory (congruent shapes, patterns, symmetry) to actual directions to create a cup that holds Kool Aid....
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Marshmallow Figures
Students enjoy making 3-D figures while learning about rectangular prisms, pyramids, vertices, edges, and faces. After a lecture/demo, students use marshmallows, toothpicks and a worksheet imbedded in this lesson to create 3 dimensional...
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Upside Down and All Around
Second graders discuss what a line of symmetry is, then demonstrate how to fold shape cutouts to generate lines of symmetry. They demonstrate slides, flips, and turns with objects, and write explanations of changes they observe in pictures.
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Symmetrical Journals
Students examine the concept of symmetry by studying the symmetry of symbols in a wall painting and creating journals with a symmetrical design. After a class review of symmetry and identifying the line of symmetry in several objects in...
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Geo Jammin' By DeSign - Day 3, Lesson 13: Reflections
Students use current knowledge to predict the meaning of line of symmetry. They explore symmetry using mirrors.
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Geo Jammin' By DeSign - Day 3, Lesson 14: Mirror, Mirror on the Wall
Students explore characteristics of symmetry, write a definition, and locate the line of symmetry on a shape.
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Let the Light Shine Through!
Students display knowledge of line of symmetry by designing a geometric stained glass window pattern.
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Mine Is! Is Yours?
First graders engage in a lesson which teaches the concept of symmetry through the use of letters in the student's name. They use a piece of yarn to see if they can make symmetrical pieces out of their own names.
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Geo Jammin' By DeSign - Day 5, Lesson 25: Geo Jungle
Students search the school grounds for examples of symmetry in nature. They bring examples back to the classroom and write about them.
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THE MEAN INDEX CARD
Students cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
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Geometry in Tessellations
Students examine tessellations and their geometric properties. Students also develop a better understanding of lines, planes, angles, and polygons.
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Magnificent Mandalas
Learners examine the principle of radial symmetry and apply it to an original mandala design. They draw a design using organic and geometric shapes, repeating the design symmetrically around the paper.
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Technology Integrated Lesson
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
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As the Bird Flies
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...