Dr. Math, in a reply to a student question, mentions a couple of different methods to use to obtain the graph of an ellipse, the doctor details one way by using the known coordinates of a circle.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on identifying ellipses and polygons.

Learners investigate the ellipse equation. The tutorial examines intercepts, foci, sketching ellipses, major axes,and minor axes. Examples with detailed solutions are included.

This lesson is designed for an Algebra II through Pre-Calculus classes and introduces the conic section- an ellipse. In this lesson students explore an ellipse, the set of points in a plane such that the sum of the distances from each...

Ellipse as a locus of points using Cabri Jr.

Dr. Math, in reply to a student question, shows how a specific pair of parametric equations produces a circle as opposed to an ellipse.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying ellipses and polygons.

[Free Registration/Login may be required to access all resource tools.] In this lesson students learn the focal property and the standard form for ellipses not centered at the origin. Students examine guided notes, review guided...

[Free Registration/Login may be required to access all resource tools.] In this lesson students are provided with an introduction to conic sections and sketching ellipses. Students examine guided notes, review guided practice, watch...

Learn about the major and minor axis of an ellipse with this helpful reference tool. Provides a detailed definition examples, and an interactive activity that enhance further explanation. Includes links to related topics.

Create an ellipse using an envelope of lines with Cabri Jr.

The online assessment exhibits knowledge of advanced mathematical concepts in Trigonometry. The questions evaluate students on the topic of ellipses.

Demonstrates step-by-step how to complete the square for ellipses and hyperbolas. Includes several charts and graphs for understanding.

Learn about the foci of an ellipse with this helpful reference tool. Provides a detailed definition and an interactive activity that enhance further explanation. Includes links to related topics.

The definition for foci for an ellipse is given and the definition for ellipse is given. Also gives a diagram and the equation for an ellipse in standard form.

Investigation and discussion of the way "Pin and string construction," works in producing an ellipse. Works through the corresponding equations in a well-ordered way.

The question, "If the major and minor axis of an ellipse are given, how do I find the focus points?" is answered at the Math Forum.

This lesson explains the steps for how to find the equation for an ellipse given its foci and vertices. It is 2 of 4 in the series titled "Finding The Equation For An Ellipse."

This brief lesson shows how to find the equation for an ellipse given its foci and vertices and presents a problem to try. Includes a short quiz. It is 1 of 4 in the series titled "Finding The Equation For An Ellipse."

A brief overview from the Math Forum on calculating various measures of segments, like major and minor axes and distance from focus to center, is given. Additionally, equations of ellipse in general and standard forms are listed.

Dr. Math, in a reply to a student question, mentions how you can construct an ellipse using string and thumbtacks.

The practice exercise has students sketch an ellipse. The handout is available in PDF format.

Basic definition for the vertex of an ellipse. Shown in a pictoral example as well.

This site contains a lesson on the ellipse. The lesson has students draw an ellipse with pencil and string, and discussions on orbits and theoretical orbiting situations.