Activity
Other

Git: What Is the Slope Intercept Form of a Line?

For Students 9th - 10th
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Slope Intercept Form

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn to identify the slope and y-intercept of a linear equation.
Graphic
National Council of Teachers of Mathematics

The Math Forum: Lines and Slope: Chameleon Graphing

For Students 6th - 8th Standards
Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!
Whiteboard
ClassFlow

Class Flow: Definition of Slope

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Presents the definition of slope and the formulas for y-intercept form.
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,...
Activity
Paul Dawkins

Paul's Online Notes: Algebra Cheat Sheet [Pdf]

For Students 6th - 8th
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
Whiteboard
ClassFlow

Class Flow: Straight Lines

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
Website
Wolfram Research

Wolfram Math World: Algebra

For Students 9th - 10th Standards
MathWorld provides a basic overview of Algebra. Includes a few formulas and many links to related topics.
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Unknown Type
Khan Academy

Khan Academy: Algebra I: Linear Equations Word Problems

For Students 9th - 10th
Solve word problems about real world relationships that are given in formulas. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.