Lesson Plan
Curated OER

Using Symmetry to Find the Vertex of a Parabola

For Teachers 9th - 12th Standards
Learners engage in a lesson that is about finding the vertex of a parabola while using symmetry. They use the symmetry to find out where the two lines meet. The line is displayed with the help of a graphing calculator. The lesson...
Lesson Plan
John Lentine

Butterflies and Bugs

For Teachers 2nd
Symmetry, line, shape, art, and math are all connected through a fun hands-on craft. Included are instructions to a classic activity, where learners create butterflies to show symmetry in nature and then discuss symmetry in math. It is...
Lesson Plan
Curated OER

Quadratic Functions

For Teachers 8th - Higher Ed
In this graphing quadratic equations worksheet, students find the vertex and graph the parabola for 24 quadratic equations. The final four are factored into binomials to increase accuracy of the x intercepts.
Handout
Mt. San Antonio Collage

Quadratic Functions and Their Graphs

For Students 9th - 12th Standards
Starting with the basics, learners discover the features of a parabola and the ways to accurately graph it. After pupils practice with graphing, the end of the worksheet focuses on application type problems. 
Lesson Plan
Curated OER

Math: Shapes and More Shapes

For Teachers 6th - 8th
Students locate lines of symmetry in regular polygons and predict the number of lines of symmetry in an octagon. In three different polygons, they construct all lines of symmetry and after making their prediction about the octagon,...
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 3, Lesson 14: Mirror, Mirror on the Wall

For Teachers 2nd - 3rd
Students explore characteristics of symmetry, write a definition, and locate the line of symmetry on a shape.
Lesson Plan
Curated OER

Symmetrical Journals

For Teachers K - 3rd
Pupils 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...
Lesson Plan
Curated OER

Roger Brown

For Teachers 1st - 2nd
Students examine and discuss the use of symmetry in a painting by the artist Roger Brown. They draw a geometric shape, divide it with a line of symmetry, and create a painting using the geometric shapes demonstrating symmetry.
Lesson Plan
Curated OER

Daily Upkeep 5

For Teachers 4th
In this math worksheet, 4th graders complete a quick math sheet to review solving for a number that is missing in a number sentence. Then, they identify which drawing best represents a line of symmetry. Finally, students calculate how...
Lesson Plan
Curated OER

Geometric Transformations

For Teachers 5th - 12th
Learners examine images and preimages of a mapping and identify isometry. They view images by M.C. Escher, observe teacher demonstrations, and create a translation image, a rotation image, and a dilation.
Lesson Plan
Curated OER

Symmetry

For Teachers 9th - 11th
Students identify the different symmetry in polygons. In this geometry lesson, students identify line, rotational and point symmetry in different objects. They find the symmetry with 90% accuracy.
Printables
Virginia Department of Education

High School Mathematics Geometry Vocabulary Word Wall Cards

For Teachers 9th - 10th
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
Lesson Plan
Curated OER

Transformations Using the Geometer's Sketchpad

For Teachers 8th - 9th
Students discover rules for single transformations, rules for composition of transformations, when a figure has transformation symmetry, and if a transformation is congruent to its preimage.
Lesson Plan
Curated OER

Transformational Geometry Using the Geometer's Sketchpad

For Teachers 6th - 8th
Students complete a webquest on the various types of symmetry. Using a computer, they explore the concepts of transformational geometry and identify points, segments, lines and planes. They experiment with the rotation of a quadrilateral...
Lesson Plan
Curated OER

Transformations

For Teachers 9th - 11th
Several practice exercises suitable for any geometry class working on transformation, symmetry, and tessellation -- especially visual representations of image translation, rotation, and reflection, symmetry, tessellations and tangrams --...
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.
Lesson Plan
Curated OER

Radial Balance Geometric Shapes

For Teachers 5th
Fifth graders create a radially balanced design using geometric shapes which exhibits their prior knowledge of symmetry. They use a kaleidoscope image to develop a design using markers or colored pencils.
Worksheet
Curated OER

Parabolas

For Students 10th
In this parabolas learning exercise, 10th graders solve and complete 15 different problems related to parabolas. First, they define parabola and its information related to graphing one. Then, students write each equation in standard...
Worksheet
Curated OER

Symmetry: Reflections

For Students 7th - 9th
In this symmetry worksheet, students reflect a series of figures over given lines and rotate figures around given points as indicated.
Lesson Plan
Curated OER

Triangle Inequality

For Teachers 4th - 6th
Students discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
Worksheet
Curated OER

Polygons

For Students 6th - 10th
In this polygons instructional activity, students read about and complete many activities involving triangles, angles, and symmetry. Students complete 17 pages of activities.
Lesson Plan
Curated OER

Introduction to Fractals: Infinity, Self-Similarity and Recursion.

For Teachers 9th - 12th
This lesson introduces students to the ideas involved in understanding fractals. They develop a sense of infinity, self-similarity and recursion and
Lesson Plan
Curated OER

Forms of Equations

For Teachers 9th
Ninth graders discuss the different forms of equations. In this algebra lesson, 9th graders talk about the pros and cons of algebraic equations. They discuss reflection across the x and y axis and write out the equation of the given...
Worksheet
Curated OER

Snowflake Symmetry

For Students 5th - 6th
In this symmetry worksheet, students analyze a picture of a hexagon folded into sixths with black parts to be cut out. Students draw what the snowflake will look like when it is unfolded.