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Lesson Plan
Curated OER

Logo Licenses

For Teachers 3rd
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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Lesson Plan
Curated OER

Symmetrical Journals

For Teachers K - 3rd
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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Lesson Plan
Curated OER

Mine Is! Is Yours?

For Teachers 1st
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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Worksheet
Curated OER

Transformation

For Students 6th - 7th
In this transformation worksheet, learners identify and solve 10 different problems that include various images. First, they determine whether each object illustrated is a mirror image or reflection of the other image in the problem....
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Lesson Plan
Curated OER

Reflections

For Teachers 9th - 10th
Students investigate the concept of reflectons. They investigate how an image has a reflection that is symmetrical. They also choose household objects in order to have real life application for finding lines of symmetry.
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Worksheet
Curated OER

Worksheet 12

For Students 11th - Higher Ed
In this math worksheet, students explain the vector parametric equation for a line, scalar parametric equations, symmetric equations, and the implicit equation for a line.
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Worksheet
Curated OER

Halves

For Students 1st Standards
Is it half? There are three sections to this introductory fractions learning exercise focusing on halves. First graders begin by coloring half of five basic shapes, each of which already is divided into two parts. Next, they examine four...
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Lesson Plan
Curated OER

Shadow Casting

For Teachers 8th
Eighth graders use a meter stick that is placed on a horizontal surface and an object is moved along it so that the shadow length can be measured at different distances from the light source. They solve real-world problems involving...
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Unit Plan
Texteam Geometry Institute

Geometry for the High School Classroom

For Teachers 9th - 12th
What does it mean for apples to have chirality? This and other explorations in geometry, such as tiling the plane, boxing a tetrahedron, and investigating Euclid's Characteristic, are included in this resource on Euclidean geometry....
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Worksheet
Curated OER

Two Halves Make a Whole

For Students 1st - 2nd
In this whole and parts instructional activity, students study the shapes that each have a line of symmetry. Students draw the missing half so that each half is the same. Students then write if a diamond has more than 1 line of symmetry.
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Lesson Plan
Ohio Department of Education

I Can Name that Angle in One Measure! - Grade Eight

For Teachers 7th - 9th Standards
Collaborative groups work with geometry manipulatives to investigate conjectures about angles. They create a graphic organizer to use in summarizing relationships among angles in intersecting, perpendicular and parallel lines cut by a...
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Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Students study West Virginia quilts. In this mathematics instructional activity, students use symmetry, geometric shapes, and patterns to create their own quilt square.
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Lesson Plan
Curated OER

If These Walls Could Talk

For Teachers 6th - 12th
Students compare Neoclassical objects from the Getty collection to American civic architecture of the time. They discuss the moral and political ideas of the Enlightenment and articulate how these art forms influenced democratic thought...
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Lesson Plan
Curated OER

More No-Three-In-A-Line

For Teachers 4th
Fourth graders read Mary's problem and make sure that they examine it. After some discussion, let the class work on the problem in their groups. They then take turns in putting a picture of their arrangement on the board.
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Lesson Plan
EngageNY

Construct and Apply a Sequence of Rigid Motions

For Teachers 9th - 12th Standards
Breaking the rules is one thing, proving it is another! Learners expand on their previous understanding of congruence and apply a mathematical definition to transformations. They perform and identify a sequence of transformations and use...
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Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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Lesson Plan
Curated OER

Introduction to Fractals: Infinity, Self-Similarity and Recursion

For Teachers 9th - 12th
Students think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
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Lesson Plan
Curated OER

Translations, Reflections, and Rotations

For Teachers 9th - 12th
Students are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three concepts.
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Lesson Plan
Curated OER

Terrific Tessellations

For Teachers 4th - 6th
Students explore tessellations that are found in nature and everyday objects. They observe the works of M.C. Escher. Students create their own tessellations using pencil and paper.
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Lesson Plan
Curated OER

Geometric Construction

For Teachers 7th
Seventh graders investigate some concepts associated with geometric shapes. They study the bisector segment and the perpendicular line to a given line. Students conduct analysis with the goal of deepening observation and deduction...
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Lesson Plan
Curated OER

Compound Locus

For Teachers 7th - 10th
Students investigate circles and compound locus. In this geometry instructional activity, students identify the distance from a point to a line. They use Cabri software to create lines and circles.
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Lesson Plan
Curated OER

Camping with a Triangular Prism and Its Net

For Teachers 8th - 10th
Students differentiate triangular prisms from other prisms using nets. In this geometry instructional activity, students define the properties of a triangular prism and its symmetry. They build a triangular prism moving lines around.
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Lesson Plan
Curated OER

What's Your Design?

For Teachers 6th - 8th
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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Lesson Plan
Curated OER

Comparing and Contrasting

For Teachers 2nd - 4th
Students practice compare and contrast skills. For this science and language development lesson, students complete a T chart generating traits of a snail and a clam. Students complete a related worksheet.