Curated OER
Geometry
Students build replicas about nature and sports. For this geometry lesson plan, students build 3D replicas of nature and sports objects in teams.
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Polygon Monster
Students brainstorm different kinds of shapes. They then draw them on the paper and write the name of the shape on the back and then assemble the shapes to make a "monster". Students make up a survey about the monster including its name...
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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...
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Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
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Classifying Solids
In this geometry activity, students write the name of the shape, and identify the number of vertices, edges, and faces for 6 e-dimensional shapes. Students draw 3 shapes, and classify groups of pictures.
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Stained Glass Polygons
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
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Perimeter
Fifth graders create math word problems. For this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the...
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Geometry
In this line and angles worksheet, students explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find volume and...
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Congruency Basics
Fourth graders investigate congruent shapes. In this congruency lesson, 4th graders explore examples of congruent shapes. Students determine how to check for congruency by sliding or flipping the shape.
Pennsylvania Department of Education
Creating Polygons
Students describe, make and compare polygons. In this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
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Who Am I? (Middle School)
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...
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Cut, Construct and Think 3
Young scholars identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
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Cut, Construct and Think - 4
Learners identify polygons. In this geometric shapes lesson, students identify and describe polygons. Learners create new shapes out of the shapes they are given.
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Pattern Block Fractions
Fourth graders participate in a instructional activity that is about the finding of different fractional sizes with the help of pattern blocks. They define the vocabulary terms of numerator and denominator. The instructional activity...
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Area and Perimeter
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
PBS
Using Symmetry to Create Corporate Logos
Young mathematicians investigate the use of symmetry in graphic design. After first learning about reflection, translational, and rotational symmetry, children use this new knowledge to identify symmetry in letters of the...
Bowland
Mission: Rainforest
Young environmentally conscious mathematicians solve a variety of problems related to the central theme of uncovering illegal logging activities. They determine a base camp based on given constraints, investigate logging activities and...
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Geometry Regents Questions: Isosceles Triangle Theorem
In this isosceles triangle worksheet, students solve 19 multiple choice and short answer problems. Students use the isosceles triangle theorem to determine unknown angle measures.
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Symmetry and Symbols
Students identify symmetrical and congruent elements in folk art. In this art and geometry lesson, students examine pictures of Masonic Plaque in the Form of a Royal Arch Tracing Board for evidence of congruent and symmetrical elements....
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A Snap at Geometry
Students study geometric images and polyhedrons. In this geometry instructional activity, students complete several activities to learn about geometric shapes and classify polyhedrons from polygons. Students watch a video, complete a...
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Who Let the Dogs Out?
Pupils calculate the perimeter and area of polygons. In this geometry activity, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
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Polygons and Vertices
In this geometry worksheet, students analyze different polygons and relate it to a circuit board. They find the odd degree Euler circuit and identify the vertices of the odd degree. There are 3 questions with an answer key.
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Parallel and Perpendicular Lines
Fifth graders complete activities to investigate parallel and perpendicular lines. In this plane geometry lesson, 5th graders watch a movie about parallel and perpendicular lines. Students work in pairs to describe and draw the lines in...
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Interactivate - Lines, Rays, Line Segments, and Planes
Learners explore lines, rays, line segments, and planes. In this math lesson, students discuss the math concepts and direct their instructor in graphing functions. Learners collaborate in graphing additional functions.