Curated OER
Classifying Polygons
Seventh graders participate in a polygon hunt. In this polygon lesson, 7th graders examine how polygons are alike and different. Students create a Venn diagram and label the sorting circles. Students work in cooperative...
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"Sir Cumference and the First Round Table" by Cindy Neuschwander
Young scholars analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
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Space Geometry
Students explore points, lines and planes as it relates to geometry. In this geometry activity, students analyze space and explain wy it is 3-D and not flat or 2-D. They solve problems involving volume and 3-D shapes.
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Perfectly Puzzling Pentominoes
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This lesson gives students a meaningful way to practice these...
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Indirectly Direct
Student form and test hyptheses using indirect and direct observation. They launch marbles to determine the shape of a hidden object.
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Water Treatment Plant Tour
Students define vocabulary related to geometry and calculate the volume. In this geometry lesson, students calculate flow rates, and volume as it relates to a water plant facility. They calculate the volume of three dimensional shapes...
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Angle Exploration and Classification
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
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The Great Barracuda
Students explore oceanography by researching the great barracuda. In this animal life lesson, students read several vocabulary terms dealing with ocean life and examine a drawing of a barracuda. Students examine the many...
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A Polynomial Quilt
Tenth graders create polynomial quilts. In this polynomials lesson plan, 10th graders use concrete models, such as construction paper, to create various shapes described. Students use the FOIL method to multiply terms and to get a square...
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Odd or Even (Sums and Differences)
In this math worksheet, students examine 14 problems inside geometric shapes. Students solve the simple addition or subtraction problems and color the shape blue if the answer is even and red if it is odd.
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Transformation, Reflections, Rotations and Translations
Students create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
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This Is My Home
Young scholars listen to a read aloud of Mary Ann Hoberman's A House Is a House for Me before discussing the meaning of habitats and the different types of homes that people live in. Next, they pretend to be architects and design a home...
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Plane and Solid Figures
Students define a plane and a solid shape. In this geometry lesson, students compare and contrast different geometric shapes as they relate to solids. They name the geometric solids based on their sides and edges.
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Parts of a Circle
In this circle worksheet, students choose the correct term that describes a given set of math symbols, using a labeled circle. A reference web site is given for additional activities.
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Parts of a Circle
In this parts of a circle worksheet, students choose correct terms to identify labeled parts of a circle. A reference web site is given for additional activities.
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Parts of a Circle
In this parts of a circle worksheet, students choose the correct term to describe labeled parts of a circle. A reference web site is given for additional activities.
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Petroglyphs
Petroglyphs and pictographs are compared in these simple slides. Some of the terms are very specific, but the basic information will be useful to accompany a lecture about this visual art form. Images and real examples would...
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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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Tessellations: Geometry and Symmetry
Learners explore the concept of tessellations. In this tessellations lesson, students use an applet to construct tessellations. Learners use regular polygons to construct tessellations. Students find patterns and symmetry in their...
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What's Your Design?
Sixth grade students: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
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Shape Makes a Difference!
Students learn the difference between perimeter and area by watching a video and a hands on activity.
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Strongest Polygon
Students define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Tessellation
Students create an art piece incorporating tessellating shapes, translational symmetry, reflectional symmetry,and or rotational symmetry. They are asked if they know the definition of tessellation. If so, students are asked what shapes...
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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...