Activity
Cool Math

Coolmath: Intro to Graphing the Cartesian (Rectangular) Coordinate System

For Students 6th - 8th Standards
A quick tutorial on the basics of the Cartesian (rectangular) 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
Johan Claeys

Math Abundance: From a Cartesian Equation to a Polar Equa

For Students 9th - 10th
Shows how to convert a cartesian equation (rectangular coordinates) to a polar equation.
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...
Activity
Interactive Mathematics

Interactive Mathematics: Rectangular Coordinates

For Students 9th - 10th Standards
Descriptions of x- and y-coordinates are presented, followed by an interactive game that demonstrates how to plot points on the coordinate plane. Examples and exercises are provided for practice.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Polar to Rectangular Conversions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson teaches you how to change Polar coordinates into rectangular coordinates.
Activity
Help Algebra

Help algebra.com: Rectangular Coordinates

For Students 9th - 10th Standards
The parts of the coordinate plane are described and plotting ordered pairs is demonstrated with several examples. The four quadrants of the coordinate plane are also defined.
Handout
Tech Target

Whatis.com: Cartesian Coordinates

For Students 9th - 10th Standards
This site from Whatis.com provides a great definition of cartesian coordinates. The definition is medium-sized in length and has links to additional information as well.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Rectangular to Polar Conversions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Convert rectangular coordinates to polar coordinates.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Polar Coordinates

For Students 9th - 10th Standards
Hotmath provides 20 practice problems relating to polar coordinates and complex numbers. Each of the practice problems include a step-by-step guide for solving.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Graphing

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that take a look at the Cartesian (or Rectangular) coordinate system. Provides definitions of ordered pairs, coordinates, quadrants, and x and y-intercepts.
Activity
Texas Instruments

Texas Instruments: Transformations in Geometry

For Teachers 9th - 10th Standards
In this activity the teacher will send two lists, a window range, and an educational document via the TI-Navigator. Students will explore the reflections and rotations of a shape in the rectangular coordinate system.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Polar to Rectangular Conversions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Convert coordinates from polar to rectangular.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Rectangular to Polar Form for Equations

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Convert equations from rectangular form to polar form.
Activity
Texas Instruments

Texas Instruments: Drawing on Your Knowledge

For Teachers 6th - 8th Standards
In this activity, students will understand the basic geometric concepts of parallelism and perpendicularity, and will also able to use rectangular coordinates to make congruent objects. They will display understanding of parts of...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Polar Coordinates

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] Definition of polar coordinates, plotting points on a polar coordinate graph
Unit Plan
Mathematics Archives

Math Archives: Polar Coordinates

For Students 9th - 10th Standards
This site, which is provided for by the University of Tennessee, shows you how to use the polar coordinate system.
Graphic
University of Nebraska

Rectangular Coordinates in 3 D

For Students 9th - 10th Standards
Advanced discussion of the components of a vector on a three dimensional plane is available here along with formulas and properties.
Activity
Ohio State University

Math 153: Graphing Polar Equations

For Students 9th - 10th Standards
Shows a way to graph polar equations using rectangular coordinates first.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Unit Plan
CK-12 Foundation

Ck 12: Polar Form of a Complex Number

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you will learn how to convert complex numbers from rectangular form to polar form. You will also explore the graphs of complex numbers on a polar graph.
Activity
Interactive Mathematics

Interactive Mathematics: Polar Form of Complex Numbers

For Students 9th - 10th Standards
Using vectors as a starting point, this site demonstrates how complex numbers can be written in polar form. Several examples are included that require you to write complex numbers in polar and rectangular form and also represent them...
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.
Activity
Interactive Mathematics

Interactive Mathematics: Functions and Graphs

For Students 9th - 10th
The system created by Rene Descartes (1596-1650 CE) is explored in depth, covering topics such as definitions, notation, evaluating, domain and range, graphing and more. Interactive examples and demonstrations are enhanced using Live...