Lesson Plan
Smithsonian Institution

Smithsonian Learning Lab: Turn About's Fair Play! Mirrors and How They Reflect

For Teachers 3rd - 8th
Teachers can download this teaching package that looks at light and symmetry through the use of mirrors. Students will enjoy the nine mirror challenges, along with the hands-on activities described in the lessons. Teachers will...
Activity
Beacon Learning Center

Beacon Learning Center: Ask Hannah

For Students 2nd - 6th Standards
This web lesson teaches students about symmetry in two-dimensional shapes.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: A Shard or Two

For Students 3rd - 6th Standards
Archaeologists have just uncovered an ancient plate. They need your help to determine the original size of the plate. Try this challenge where you use concepts of symmetry and estimation to uncover the solution. An activity from the NCTM...
Graphic
University of Cambridge

University of Cambridge: Nrich: A Cartesian Puzzle

For Students 3rd - 8th Standards
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
Lesson Plan
University of Texas

Inside Mathematics: Fair Play [Pdf]

For Teachers 3rd - 5th Standards
This task challenges a student to demonstrate understanding of the concept of measurement.
Website
Wolfram Research

Wolfram Math World: Geometry

For Students 9th - 10th
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...
Graphic
Curated OER

Ic Teachers: Line or Reflective Symmetry

For Students 3rd - 8th
This website will provide you with a quick review of line or reflective symmetry. It also has questions and answers to help you understand line/reflective symmetry.
Graphic
Curated OER

Ic Teachers: Line or Reflective Symmetry

For Students 3rd - 8th
This website will provide you with a quick review of line or reflective symmetry. It also has questions and answers to help you understand line/reflective symmetry.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Graphing Parabolas

For Students 9th - 10th Standards
Dr. Math helps a student with the plotting and with finding the vertex and line of symmetry of a parabola.
Activity
National Institute of Educational Technologies and Teacher Training (Spain)

Ministerio De Educacion: Corta en Dos

For Students 3rd - 8th Standards
Try to find the line of symmetry of these 8 figures. If you find it the two figures should coincide.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Why Does Asa Work?

For Teachers 9th - 10th Standards
In triangles ABC and ABD, we are given that angle BAC is congruent to angle BAD and angle ABC is congruent to angle ABD. Show that the reflection of the plane about line AB maps triangle ABD to triangle ABC. Aligns with G-CO.B.8.
Handout
Purple Math

Purplemath: Graphing Quadratic Functions: Introduction

For Students 9th - 10th Standards
The most basic quadratic is y = x2. The general technique for graphing quadratics is the same as for graphing linear equations. The quadratics graph as curvy lines (called "parabolas"), rather than the straight lines generated by linear...
Lesson Plan
Other

Nearpod: Reflections Using Coordinates

For Teachers 8th Standards
In this lesson on reflections using coordinates, 8th graders explore reflections of line segments using the coordinate plane.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Reflections

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about reflections and how to find the coordinates of a reflected figure.
Activity
Richland Community College

Richland Community College: Graphs of Functions

For Students 9th - 10th Standards
This site from the Richland Community College provides graphs of Functions offers loose definitions of many terms relative to the graphing of functions.
Interactive
Quia

Quia: Geometric Terms Flash Cards

For Students 2nd - 8th Standards
Do you need practice remembering or learning different geometry vocabulary words and definitions? The flash cards at this web site are for you! There is a link to a list of terms with definitions you can click if you want to see if you...
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Rotating Parabolas

For Students 9th - 10th Standards
Dr. Math, in a reply to a student question, shows how to derive the equation of a parabola for situations when the line of symmetry is not || to one of the axes.
Activity
California State University

Ca State University, San Bernadino: Graphing Techniques

For Students 9th - 10th
A survey of math graphing techniques includes horizontal and vertical shifts, stretching, lines of symmetry, even and odd functions, and absolute value functions.
Activity
Texas Instruments

Texas Instruments: Inverse Functions

For Teachers 9th - 10th Standards
Review inverse functions with your students using this TI-83 activity. Students will find inverses of given functions, determine whether the inverse is a function, graph both, and check for symmetry through the line y=x. The lesson...
Interactive
CK-12 Foundation

Ck 12: Math Grade 3

For Students 3rd
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Handout
Other

Georgia Perimeter College: Parabolas

For Students 9th - 10th
This resource provides an examination of parabolas, both vertical and horizontal, and parabolic functions. It includes six examples and a chart showing how changes in the equation coincide with changes in the graph.
Unit Plan
Khan Academy

Khan Academy: Identify Symmetrical Figures

For Students 3rd - 5th Standards
Practice identifying symmetrical shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Rigid Transformations

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Identify different types of transformations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Functions and Their Graphs

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Graph and compare graphs of quadratic functions in the coordinate plane.

Other popular searches