Curated OER
Visualizing Vectors
Investigate vectors in standard positions and use the CellSheet application on the TI calculator to find the sum of two vectors. Convert from polar to rectangular coordinates and vice versa, and show graphs of the vectors.
Johan Claeys
Math Abundance: From a Cartesian Equation to a Polar Equa
Shows how to convert a cartesian equation (rectangular coordinates) to a polar equation.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Polar Coordinates
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Conic Sections
Hotmath provides 26 practice problems relating to conic sections. Each of the practice problems include a step-by-step guide for solving their conic.
Texas Instruments
Texas Instruments: Drawing on Your Knowledge
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...
McGraw Hill
Glencoe: Online Study Tools: Quiz on Polar and Rectangular Coordinates
Students demonstrate understanding of advanced mathematical concepts in Pre-Calculus. The online quiz tests the scholars on polar and rectangular coordinates.
Analyze Math
Analyze Math: Unit Circle and Trigonometric Functions
The free mathematics tutorial explores the unit circle and trigonometric functions. The tutorial consists of definitions and examples with solutions. The interactive applet allows students to investigate domain, range, and asymptotes of...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Rectangular Coordinates
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...
Analyze Math
Analyze Math: Convert Polar to Rectangular Coordinates and Vice Versa
Learners explore the Pre-Calculus topic of polar and rectangular coordinates. The activity has several examples with detailed solutions.
CK-12 Foundation
Ck 12: Trigonometry: Polar to Rectangular Conversions
[Free Registration/Login may be required to access all resource tools.] This lesson teaches you how to change Polar coordinates into rectangular coordinates.
CK-12 Foundation
Ck 12: Trigonometry: Polar to Rectangular Conversions
[Free Registration/Login may be required to access all resource tools.] Convert coordinates from polar to rectangular.
CK-12 Foundation
Ck 12: Trigonometry: Rectangular to Polar Conversions
[Free Registration/Login may be required to access all resource tools.] Convert rectangular coordinates to polar coordinates.
Help Algebra
Help algebra.com: Rectangular Coordinates
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.
Mathematics Archives
Math Archives: Polar Coordinates
This site, which is provided for by the University of Tennessee, shows you how to use the polar coordinate system.
Interactive Mathematics
Interactive Mathematics: Rectangular Coordinates
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.
Interactive Mathematics
Interactive Mathematics: Functions and Graphs
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...