Lesson Plan
EngageNY

Rotations, Reflections, and Symmetry

For Teachers 9th - 10th Standards
Lead your high school class on a journey through the world of symmetry and reflections as you discuss geometric principles. Pupils differentiate between reflections and rotations, explore rotational symmetry, and investigate how to...
Lesson Plan
Curated OER

Symmetry of Road Signs

For Teachers 8th - 11th
Students identify symmetry in road signs. In this geometry lesson, students explore objects in the real world for symmetry. They perform translation, rotation and reflection.
Lesson Plan
Curated OER

Symmetry All Around

For Teachers 1st - 2nd
Students explore geometry by creating a quilt square. In this symmetry lesson, students identify a list of items, designs, insects and animals which have either rotational or line symmetry. Students investigate symmetrical designs on the...
Lesson Plan
Curated OER

Mirror Symmetry/Mirror Images

For Teachers 5th - 6th
Students explore lines of symmetry in geometric shapes. In this geometry activity, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
Lesson Plan
Curated OER

Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere

For Teachers 3rd
Third graders investigate shapes in our world. In this geometry lesson, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and conduct...
Lesson Plan
Curated OER

Identifying Lines of Symmetry

For Teachers 8th - 10th
Young scholars calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
Lesson Plan
Curated OER

Symmetry in Kaleidoscope Designs

For Teachers 9th - 11th
Students define reflection, rotation and symmetry. In this symmetry lesson, students move the graph around the coordinate plane and identify the line of symmetry. They identify the different designs of a kaleidoscope.
Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Students explore geometry by participating in a shape rotation experiment. In this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned 90 degrees and...
Lesson Plan
Curated OER

Symmetrical Snowflakes

For Teachers 1st
First graders, exploring lines of symmetry, follow directions to create a symmetrical snowflake from their own homemade icing. As a class, they discuss lines of symmetry and determine if specific shapes are symmetrical. After the lesson,...
Lesson Plan
Curated OER

Geometry History Lesson

For Teachers 10th
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...
Lesson Plan
Curated OER

Mira, Mira on the Wall: Reflections

For Teachers 9th - 10th
Students investigate and perform reflections and symmetry. In this geometry lesson, students compare and contrast the relationship between reflections and symmetries.
Lesson Plan
Curated OER

Am I Seeing Double?

For Teachers All
Students explore symmetrical design and lines of symmetry.  In this fourth grade geometry lesson plan, students create their own symmetrical design and identify and label the lines of symmetry.  Students use one design to...
Lesson Plan
Curated OER

Symmetry

For Teachers 9th - 11th
Pupils identify the different symmetry in polygons. In this geometry lesson plan, students identify line, rotational and point symmetry in different objects. They find the symmetry with 90% accuracy.
Lesson Plan
Curated OER

Reflections in the Plane

For Teachers 9th - 12th Standards
Have your class explore the concept of reflections as they use Cabri Jr. to construct a triangle and reflect it over a line. Learners reflect shapes across the coordinate plane and across the lines y = x and y = -x.
Lesson Plan
Curated OER

Design a Colonial Garden

For Teachers 3rd - 5th
Students explore botany by completing an art design activity in class. In this gardening history instructional activity, students identify the plants and crops utilized in the Colonial era for both food and medicine. Students utilize...
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 5, Lesson 25: Geo Jungle

For Teachers 2nd - 3rd
Students search the school grounds for examples of symmetry in nature. They bring examples back to the classroom and write about them.
Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
Lesson Plan
Curated OER

Geometry of Democracy

For Teachers 3rd - 5th
Students explore the architecture of New England by identifying geometric shapes.  In this architectural lesson plan, students examine photographs of classic building architecture and use a transparency to trace geometric shapes...
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...
Lesson Plan
Curated OER

Coordinate Plane

For Teachers 10th
Tenth graders plot points on a coordinate plane. In this geometry lesson, 10th graders identify the different quadrants, plots points on a number line and coordinate plane and solve for the midpoint of line segments.
Lesson Plan
Curated OER

Reflections

For Teachers 10th
Tenth graders perform reflections on different geometric shapes. For this geometry worksheet,students define the concept of geometric reflections and find the coordinates of the reflection on a coordinate grid.
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...
Lesson Plan
Curated OER

Constructing Perpendicular Bisectors

For Teachers 10th
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry lesson, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
Lesson Plan
Curated OER

Scenario Challenge

For Teachers 8th - 10th
Students create a quilt, using different patterns. In this geometry instructional activity, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.