Khan Academy
Khan Academy: Horizontal & Vertical Lines
Practice your knowledge of horizontal and vertical lines: their graphical presentation, their slopes, and their equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Mangahigh
Mangahigh: Algebra: Introducing Equations
Students learn about the concept of equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Purple Math
Purplemath: Solving Literal Equations
Provides a lesson on solving literal equations, explains how they are similar to solving linear equations, and works through numerous examples showing how different types of literal equations are solved.
National Council of Teachers of Mathematics
The Math Forum: Changing Equations to Slope Intercept Form
This takes you through a step-by-step example of how to change a linear equation into the slope-intercept form.
San Diego State University
San Diego State University: Examples of Writing Linear Equations
These examples show how to write linear equations from different types of information. There are even real-world examples dealing with air pressure, sea urchins, and measurement conversions.
Purple Math
Purplemath: Straight Line Equations: Slope Intercept Form
Slope-intercept form of a line is shown in formulas and examples with this Purplemath lesson. There are examples of slope-intercept with the slope and a point and with two points. Includes interactive widgets for exploring concepts.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Linear Equations
Forty-five problems present a variety of practice solving linear equations. The solutions are only available with a paid subscription.
Texas Instruments
Texas Instruments: Sailing Through the Fog: Solving Systems of Linear Equations
Tracking equipment is used to help ship navigators traveling in dense fog determine if they are in danger of colliding with other ships that may be in the area. For this activity, we are going to assume two ships are traveling along...
Texas Instruments
Texas Instruments: Solve Linear Equation
This StudyCards set begins with "what is an equation?" and continues with solving linear equations using the graph of the related linear function(s), the trace and zeros methods.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Solving Linear Equations
Practice using your graphing calculator for solving linear equations. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Solving Linear Equations
Students show comprehension of Algebra I skills. The online quiz assesses scholars on solving linear equations.
Anne Arundel Community College
Anne Arundel Community College: Math 131: Solving Linear Equations
The tutorial examines how to solve multi-step equations. Students learn about the mathematics concept through detailed examples.
Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Purple Math
Purplemath: Graphing Linear Equations: T Charts
A nice tutorial on how to graph linear equations. Goes through the process step by step and gives numerous examples.
Shodor Education Foundation
Shodor Interactivate: Lesson: More Complicated Functions: Intro Linear Functions
For this lesson, students learn about linear functions and how they can be represented as rules and data tables. Includes a worksheet with exploration questions to accompany an interactive Linear Function Machine. The lesson plan is...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Solving Linear Equations
Find a quick, concise explanation of how to solve one-step and two-step linear equations. Examples are given and clearly explained.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Linear Equations in One Variable
Through this tutorial, which offers step-by-step examples, video explanations, and practice questions, you'll learn what linear equations are and how to solve and classify them.
Oswego City School District
Regents Exam Prep Center: Linear Equations
This site gives information on solving linear equations and offers practice problems, a thorough lesson, and teacher resources.
Varsity Tutors
Varsity Tutors: Hotmath: Problem Solving Using Linear Equations
Nineteen problems to solve using linear equations. The solutions are only available with a paid subscription. To review the basics on this topic, click the "View Lesson" button at the top.
Texas Instruments
Texas Instruments: Using Linear Programming in Real Life Problems
In this activity, students explore linear equation models for real-life situations.
National Council of Teachers of Mathematics
Nctm: Figure This: Gone Fishing (Pdf)
Use your algebraic reasoning to solve this math challenge that explores the relationship between quantities and weights. Try this math challenge from the NCTM Math Challenges for Families series. Also, discover how mastering this skill...
Oswego City School District
Regents Exam Prep Center: Parallel and Perpendicular Lines
This site displays formulas and examples, pertaining to slope, for parallel and perpendicular lines.
Purple Math
Purplemath: Slope: Parallel and Perpendicular Lines
Describes and gives good examples relating to the slopes of parallel and perpendicular lines.
Oswego City School District
Regents Exam Prep Center: Solving Linear Systems Graphically
The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.