Lesson Plan
Curated OER

Ellipse

For Teachers 9th - 12th
Students find the center, vertices, foci, and eccentricity of ellipses using the subscriptions website www.explorelearning.com. They graph elliptical functions and solve application problems involving ellipses.
Worksheet
Curated OER

pH and Titration

For Students 10th - Higher Ed
For this pH worksheet, students review the titration procedure and the significance of the stoichiometric point. This worksheet has 2 problems to solve.
Activity
Texas Instruments

Texas Instruments: Conic Equations

For Teachers 9th - 10th Standards
This Learn Check file is a review of writing conic sections given the graph of a conic section. Students are asked to use the graphs to write the equations for a ellipse, circle, parabola, and hyperbola.
Activity
Texas Instruments

Texas Instruments: Conic Sections

For Teachers 9th - 10th Standards
These questions ask students to write the equations of conic sections given a variety of information. Students are also asked to find the foci of an ellipse and the asymptotes of a hyperbola. Solutions and explanations are included.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: General Forms of Conic Sections

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers changing a general second-degree equation into the standard form of a parabola, ellipse, circle or hyperbola. Students examine guided notes,...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Conic Sections

For Students 9th - 10th Standards
Hotmath provides 26 practice problems relating to conic sections. Each of the practice problems include a step-by-step guide for solving their conic.
Handout
Other

Platonic Realms: Function

For Students 9th - 10th Standards
Resource provides an introduction to conics. A picture of each conic, the definition, and a brief discussion about the standard form of conic equations are given, along with encouragement to master conics.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: General Forms of Conic Sections

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students review the general forms of conic section equations, identifying conic sections from their equations. Students examine guided notes, review...
Unknown Type
Khan Academy

Khan Academy: Equation of an Ellipse From Features

For Students 9th - 10th Standards
Given the foci of an ellipse (and some other feature), find its equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Foci of a Hyperbola From Equation

For Students 9th - 10th Standards
Given the equation of a hyperbola, find its foci. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Ellipse Standard Equation and Graph

For Students 9th - 10th
Given the graph of an ellipse, find its equation, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Texas Education Agency

Texas Gateway: Graphing Conic Sections: Ellipses

For Students 9th - 10th
Given an equation, the student will use parameter changes to graph an ellipse and to identify the changes in the graph of an ellipse.
Unit Plan
Texas Education Agency

Texas Gateway: Graphing Conic Sections: Hyperbolas

For Students 9th - 10th
Given an equation, the student will use parameter changes to graph a hyperbola and to identify the changes in the graph of a hyperbola.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: General Form for Conic Sections

For Students 9th - 10th Standards
Students investigate the general form of the equation for a conic section. This interactive tool evaluates the changes that occur from using different coefficients in the equation.
Activity
Math Is Fun

Math Is Fun: Conic Sections

For Students 9th - 10th Standards
Students learn about conic sections. Topics include eccentricity, directrix, and the general equation. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Handout
Other

Sierra College: Conics

For Students 9th - 10th Standards
Provides the locus of points, dominant axis and equation, discriminant, center, vertex, focus, directrix, and asymptotes for the parabola, the ellipse, and the hyperbola.
Unit Plan
Sophia Learning

Sophia: Equation of a Circle: Introduction

For Students 9th - 10th Standards
Follow along with this tutorial to explore writing equations of a circle.
Unknown Type
Khan Academy

Khan Academy: Write Standard Equation of a Circle

For Students 9th - 10th Standards
Given the graph of a circle or its features, find its standard equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Write Standard Equation of a Circle

For Students 9th - 10th Standards
Given the graph of a circle or its features, practice finding its standard equation.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Conic Sections

For Students 9th - 10th Standards
Students can investigate the graphs of conic sections in standard form. Cirlce, ellipse, and hyperbola graphs are included.
Unknown Type
Khan Academy

Khan Academy: Center & Radii of Ellipses From Equation

For Students 9th - 10th Standards
In this four-question quiz, find the center and major and minor radius of an ellipse given its equation.
PPT
Sophia Learning

Sophia: Finding the Equation for an Ellipse: Lesson 2

For Students 9th - 10th Standards
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."
PPT
Sophia Learning

Sophia: Finding the Equation for an Ellipse: Lesson 1

For Students 9th - 10th Standards
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."
Activity
Texas Instruments

Texas Instruments: Solving Systems With Quadratic Equations: Systems of Conics

For Teachers 9th - 10th Standards
In this activity, students will plot the graphs of systems of equations and determine the number of real solutions of the system. Then find the solution of the system algebraically.