Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Plane Geometry

For Teachers 3rd - 5th Standards
Lesson plans on how to incorporate plane geometry into an elementary classroom. Activities are hands-on, use manipulatives, and incorporate real world experiences.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Geometry in the Plane

For Students 9th - 10th
Twenty-four problems presented on a variety of Plane Geometry topics. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
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...
Activity
Math Open Reference

Math Open Reference: Plane Geometry: Transformations

For Students 9th - 10th Standards
Explore transformations of a polygon that include: 1) translation 2) rotation 3) reflection and 4) dilation.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Lines and Planes

For Teachers 9th - 10th
Use these resources in preparing instruction on undefined terms (points, lines, and planes), theorems relating lines and planes, and Euclidean and non-Euclidean geometry. You'll find three lessons on the aforementioned subject areas, an...
Unit Plan
Texas Education Agency

Texas Gateway: Introduction to Coordinate Geometry

For Students 9th - 10th
The students will use multiple representations of undefined terms on a coordinate plane to solve problems.
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Geometry

For Students 9th - 10th Standards
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important topics in geometry: Triangles, and Circles and Other...
Activity
Math Is Fun

Math Is Fun: Geometry

For Students 9th - 10th Standards
Students learn about geometry by investigating different shapes and their properties. Topics include plane geometry, drafting tools, transformations, angles, and trigonometry.
Whiteboard
ClassFlow

Class Flow: Plane Geometry

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This is an introduction or review lesson on points, lines, planes and angles using some of the tools for Activstudio 2.
Website
PBS

Pbs Learning Media: Using a Coordinate Grid

For Students 5th - 7th Standards
In this Cyberchase video segment, the CyberSquad must locate each other using a map's grid to construct a coordinate system using letters and numbers.
Handout
Oswego City School District

Regents Exam Prep Center: Geometry Vocabulary Resources

For Students 9th - 10th
A list of geometry definitions and a matching activity.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Dilation in the Coordinate Plane

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to draw dilated figures in the coordinate plane and use dilated figures in the coordinate plane to find scale factors. Students...
eBook
Math Planet

Math Planet: An Introduction to Geometry

For Students 9th - 10th
Provides an introduction to geometry with definitions of points, lines, planes and angles through the use of examples and a brief video lesson. [1:28]
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel Lines in the Coordinate Plane

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about parallel lines in the coordinate plane, and how to use slopes to determine whether or not two lines are parallel.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Perpendicular Lines in the Coordinate Plane

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about perpendicular lines in the coordinate plane, and how to use slopes to determine whether or not two lines are perpendicular.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Translation, Rotations, and Reflections

For Students 7th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] Translate, rotate, and reflect figures using coordinate notation and graphing in the coordinate plane.
Unknown Type
Khan Academy

Khan Academy: Coordinate Plane Word Problems (Quadrant 1 Challenging)

For Students 4th - 6th Standards
Try some coordinate plane word problems focusing on quadrant 1. Miss the problem, and Kahn offers some tutorials for help.
Lesson Plan
Other

Nearpod: Mixed Review & Practice: Geometry

For Teachers 5th Standards
In this lesson on reviewing fifth-grade geometry concepts, 5th graders learn about the mathematical domain, explain why it is important, and complete a variety of practice problems.
Activity
Texas Instruments

Texas Instruments: Translations in the Coordinate Plane

For Teachers 6th - 8th
It is important for students to know what happens to the coordinates of points when they are translated in the coordinate plane. This activity enables students to use Cabri Jr. to develop this understanding.
Unit Plan
Math.com

Math.com: Coordinate Geometry

For Students 5th - 8th Standards
The lesson investigates coordinate geometry. Definitions, examples, and a worksheet are available.
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Coordinate Geometry

For Students 9th - 10th Standards
Get independent practice working with coordinate geometry. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Activity
Texas Instruments

Texas Instruments: Reflecting a Triangle in the Coordinate Plane

For Teachers 9th - 10th Standards
In this activity, students use the drawing and measurement tools of Cabri Jr. to blend coordinate geometry with drawing tools. They visualize symmetry and reflect a point across the y-axis.
Activity
Texas Instruments

Texas Instruments: Translations on the Coordinate Plane

For Teachers 6th - 8th
Use the activity center in TI-Navigator to discover a generalization for translating ordered pairs in a coordinate plane.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Polygons in the Coordinate Plane

For Teachers 5th - 8th Standards
The purpose of this task is for students to practice plotting points in the coordinate plane and finding the areas of polygons. This task assumes that students already understand how to find areas of polygons by decomposing them into...

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