Other
Quick Math: Quadratic Equations
Complete step-by-step investigation of quadratic functions, allowing the user to input the function. Each step, from solving f(x) = 0 to graphing and finding extreme points, is covered in depth, via links for each step (requires...
Khan Academy
Khan Academy: Two Step Equations Word Problems
Practice writing equations to model and solve real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Illinois
University of Illinois Urbana Champaign: Chickscope Egg Math: Equations for an Ellipse
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.
Other
Quick Math: Factor Polynomials
The process of factoring is essential to the simplification of many algebraic expressions and is a useful tool in solving higher degree equations. In fact, the process of factoring is so important that very little of algebra beyond this...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Linear Equations
Here is a site that clearly and thoroughly explains solving linear equations, from the basic form ax+b=c up through equations with variables on both sides and with parentheses. There are example problems solved, problems for the student...
Khan Academy
Khan Academy: One Step Equations Review
Explains how to solve one-step equations. Includes several practice questions along with explanations of solutions.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Linear Functions and Models: Basics: Slope and Intercept
A mathematics tutorial that allows you to interactively learn and manipulate the slope and intercepts of a line.
TeachEngineering
Teach Engineering: Stay in Shape
In this activity, students will learn that math is important in navigation and engineering. Ancient land and sea navigators started with the most basic of navigation equations (Speed x Time = Distance). Today, navigational satellites use...
Purple Math
Purplemath: Conics: An Overview
Introduces the basics of conics in algebra, including a flow-chart for determining which sort of conic is represented by a given equation.
TeachEngineering
Teach Engineering: Navigating by the Numbers
For this lesson, middle schoolers will learn that math is important in navigation and engineering. Ancient land and sea navigators started with the most basic of navigation equations (Speed x Time = Distance). Today, navigational...