Curated OER
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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Seeing Double
Students develop an intuitive definition for symmetry after viewing a PBS video. They examine asymmetrical patterns and demonstrate their knowledge by changing them to symmytrical.
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Congruent Boxes
Students decorate the congruent faces and edges of boxes in exactly the same way. They teach the terms "congruent," "faces," and "edges" to their parents.
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Architecture Through the Ages
Students study the art of architecture in four well-known structures around the world. In this world architecture lesson, students read books about architects and study architectural structures in the world. Students draw a dream city on...
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
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The Real Spirit Within Expressionistic Portraits
Students study the life and art of George Rounalt as they examine his painting, "The Clown." They study the Nazi campaign against modern art such as the Degenerate Art exhibition of 1937. Finally, they create an original piece of art...
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Symmetry of Road Signs
Learners identify symmetry in road signs. In this geometry instructional activity, students explore objects in the real world for symmetry. They perform translation, rotation and reflection.
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Patterns & Balance
High schoolers compare and contrast the difference in the two sets of images and discuss the visual interest in the first set and the different visual interest created in the second set of prints.
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Geometry History Lesson
Tenth graders investigate the early history of geometry. In this geometry lesson, 10th graders investigate translations, rotations, and reflections. They also solve problems with line of symmetry and rotational symmetry while reviewing...
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Surface Area of a Leaf (Grades 7-9)
In this math and science worksheet, students read about the process of photosynthesis and plant growth. They determine how a plant's ability to create food is dependent on the surface area of its leaves using geometric calculations. They...
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Tantalizing Tangrams: What Are Transformations?
Students use the Internet to learn about transformations and tessellations. For this geometry lesson, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. Students...
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Geometrically Artistic/Artistically Geomtric
Students identify the two-dimensional geometric shapes Lowrey utilized in the painting Untitled. Students compare the two-dimensional shapes in terms of equivalent fractions, congruency, symmetry and asymmetry. Students create their own...
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Going Beyond Basic Geometry Using Symmetry and Tesselations
Using Bloom's Taxonomy you can help advanced students go beyond basic geometry.
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Clay Tiles: Family Mosaics
Second graders design and create a clay tile to represent their families. They research and discuss similarities and differences among families of different cultures, create a tile to represent their own and then compile the tiles in a...
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Folding Shapes; Are the Sides the Same?
Second graders explore geometry by experimenting with fold-ables. In this geometric shapes lesson, 2nd graders utilize cutout shapes from construction paper which they experiment with by folding. Students examine the symmetry and...
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Line Symmetry
Students investigate the concept of line symmetry and how to recognize it in different contexts. They record the number of symmetries when given problems to work on in class. They review the concept of congruence and how it relates to...
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Mandalas : polygons
Fourth graders create mandalas. In this mandala lesson plan, 4th graders look at these polygons in nature and man-made forms. They create their own by using tangrams.
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Technology Integrated Lesson
Pupils 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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Lines of Symmetry
Fourth graders demonstrate lines of symmetry using polygons, pentominoes, and block letters of the alphabet. They describe, identify, and analyze characteristics and properties of geometric shapes.
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Lines of Symmetry
Fifth graders explore the concept of symmetry using lines drawn through different shapes. The worksheet that is included in the lesson should be used to chart the lines of symmetry for the different shapes drawn.
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Fractions and Halves
Fourth graders examine halves of a whole and discover through activities that they must be exactly equal in size. Working with Geoboards and Dot-Paper Squares, the class practices finding halves that are both congruent and incongruent.
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Art in Southern Africa: symmetry
In this symmetry worksheet, 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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Geometry and Measurement
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more...
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Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...