Curated OER
A World of Symmetry
Middle schoolers identify lines of symmetry. In this symmetry lesson, students create objects and identify their lines of symmetry. They answer questions about lines of symmetry. Middle schoolers cut shapes out of cookie dough and...
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Circles to Spheres
Students investigate circles and spheres. In this space shapes lesson, students compare and contrast two-dimensional and three-dimensional shapes. Students investigate the relationship between plane and space shapes.
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Listen to a Shape
First graders identify basic shapes (circle, square, rectangle, triangle) and describes the attributes of each. They use magazines to find examples of each shape, and then make a collage.
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Opening A Cube
Fifth graders investigate mathematical concepts related to the construction of a three dimensional cube. They construct the cube from two dimensional patterns and compute the surface area. Students also define the faces, edges, and...
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Polygon Sum Conjecture
Young scholars calculate the sum of the angles of a polygon. In this geometry lesson, students use the interior angle formula of polygon based on the number of sides of the polygon. They identify the missing angle using algebra.
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Faces, Vertices, Edges
Students identify the parts of three dimensional objects. In this geometry instructional activity, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
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Investigating Nets and Polyhedra
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
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Function Tables
Students practice representing problems found in the real world in terms that can be translated into mathematical expressions. The situations are represented in tables and graphs by students.
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Copy Cat
Students examine a Webmath page, and demonstrate how to copy and paste. They create a computer-generated template page presenting the attributes of two- and three- dimensional shapes.
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Classify Prisms
Learners classify prisms according to their attributes. In this classifying prisms lesson, students explore different prisms. Learners generate observations of the attributes and classify the prism correctly.
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Classifying Pyramids
Students study pyramids. In this prisms lesson, students explore the attributes of pyramids. Students will explore the lateral surface area of pyramids and be able to distinguish pyramids from other space shapes.
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Symmetry with Manipulatives
First graders investigate symmetry in patterns by utilizing unifix cubes. In this pattern lesson, 1st graders practice creating patterns that are perfectly symmetrical no matter which way it's looked at. Students utilize original...
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Geometry: Calculating Volumes
For this volume worksheet, middle schoolers find the volume of 8 prisms. Students are given the length, width, and height of each prism.
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Geo Jammin' - Day 2, Lesson 5: Eeny, Meeny, Miney, Mo
Learners, in groups, use song lyrics and math to descrie two and three dimensional shapes.
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Geo Jammin' - Day 3, Lesson 9: Attribute Attitude
Second graders read poetry and build their vocabulary through use of the puppet Geo George.
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Relationships and Functions
Fifth graders describe patterns as relations and functions. In this patterning lesson, 5th graders analyze and continue patterns. Students understand how patterns relate to relations and functions.