Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Cartesian Coordinate Plane

For Students 9th - 10th Standards
Find a quick, concise explanation of the Cartesian Coordinate Plane. Examples are given and various aspects of plotting points and graphing are described.
Unit Plan
Khan Academy

Khan Academy: Coordinate Plane Word Problems: Polygons

For Students 9th - 10th
Solve all sorts of word problems with crazy contexts that use polygons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Purple Math

Purplemath: Introduction to the X, Y Plane (The "Cartesian" Plane)

For Students 9th - 10th Standards
Purplemath offers an in-depth lesson on the Cartesian plane. The lesson discusses how to plot points and gives information about the four quadrants. Example problems are given on plotting points and determining the quadrant in which to...
Handout
Math Open Reference

Math Open Reference: Coordinate Plane

For Students 9th - 10th Standards
Learn about the coordinate plane with this reference guide. Provides detailed definitions, examples, and an interactive activity that enhances further explanation.
Interactive
Shodor Education Foundation

Shodor Interactivate: Intro to the Coordinate Plane and Coordinates Discussion

For Students 9th - 10th Standards
Contains a brief introduction to the cartesian coordinate system.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: The Rectangular Coordinate System

For Students 9th - 10th Standards
Find step-by-step examples to help learn four objectives based on ordered pairs in a Cartesian coordinate system.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Rectangular Coordinates

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the Cartesian coordinate system. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
Interactive
Doina Popovici

Math Play: Coordinate Plane Jeopardy Game

For Students 5th - 8th Standards
Students answer questions about graphing points, quadrants and axes, and finding the coordinates of a point in this jeopardy style game.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Graphing Equations

For Students 9th - 10th Standards
Through this tutorial, you will learn how to solve equations by graphing them on a coordinate plane. Contains several examples with step-by-step solutions and practice exercises for you to complete and check.
Unknown Type
Khan Academy

Khan Academy: Drawing Polygons With Coordinates Challenge

For Students 6th - 8th Standards
More challenging problems involving drawing shapes on the coordinate plane.
Unit Plan
Texas Education Agency

Texas Gateway: Reflections

For Students 7th - 8th
These activities provide an opportunity for students to explore reflections both on and off of a coordinate plane.
Activity
University of Illinois

University of Illinois Urbana Champaign: Egg Math Axis of Symmetry

For Students 9th - 10th
Uses an egg to demonstrate the concept of axis of symmetry. Put your cursor over the picture to "move" around the egg. Offers links to related concepts, including Cartesian Ovals and Ovals of Cassini.
Activity
Mathematics for Teaching

Mathematics for Teaching: Teaching Mathematics With Geo Gebra

For Students 9th - 10th Standards
Students complete activities using GeoGebra to explore geometry concepts such as the coordinates of points.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Graphs of Rational Functions

For Students 9th - 10th Standards
Use this tutorial to learn how to graph rational functions. Sample problems will guide you through finding the domain and asymptotes, and graphing the function on a coordinate plane.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Congruent Triangles

For Teachers 8th Standards
In this task, 8th graders investigate congruence and transformations of two triangles on a coordinate grid. Includes a GeoGebra worksheet that the teacher can use for demonstration purposes. Aligns with 8.G.A.2.
Interactive
Math Playground

Math Playground: Rescue Mission

For Students 6th - 8th
A game where students determine ordered pairs on a coordinate plane.
Unknown Type
Math Slice

Math Slice: Graph Slice Special Test

For Students 3rd - 8th Standards
A ten question test for assessing measurement concepts of area and perimeter. Assessment is scored online and student scores are compared with other students who have taken the assessment. Great assessment tool.
Graphic
University of St. Andrews (UK)

University of St. Andrews: Ellipse

For Students 9th - 10th
The University of St. Andrews offers a comprehensive and detailed site explaining the ellipse.
Website
Other

Central Michigan University: Point Slope Form

For Students 9th - 10th Standards
This resource features information on the point-slope form in geometry. It provides a good definition, several examples, and information on various forms.
Unit Plan
Sophia Learning

Sophia: Graphing Inverse Variation Functions

For Students 9th - 10th Standards
This learning tutorial about how to graph inverse variation functions combines videos, a PowerPoint presentation, and helpful hints. The videos demonstrate how to solve example problems and the PowerPoint presentation provides some key...
Unit Plan
University of Illinois

University of Illinois Urbana Champaign: Chickscope Eggmath: The Shape of an Egg

For Students 6th - 8th
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.
Handout
Math Open Reference

Math Open Reference: Point

For Students 9th - 10th Standards
A complete reference guide to points. It provides definitions and an interactive activity that enhances further explanation. Includes links to related topics.