PBS
Pbs: Xy Flyer
Explore the behavior of lines by composing equations to launch a toy airplane through a series of hoops. This interactive exercise focuses on working in the coordinate plane and deepening the understanding of how slope and y-intercept...
Other
Mathway: Algebra Formulas
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Texas Instruments
Texas Instruments: Home for the Holidays
Thanksgiving Holiday activity for Algebra students. Linear data taken from the internet and used to create a linear model of the class data.Students will then discover the slope of the line is the speed of the car in miles per hour....
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Parallel and Perpendicular Lines
Given a line, learn how to find the equations for lines that are perpendicular and parallel to it. This tutorial offers several example graphs and problems as well as practice problems for you to work through when you're ready.
Texas Instruments
Texas Instruments: Two Hot, Two Cold
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any...
Texas Instruments
Texas Instruments: Activity Center Golf Course
There are nine activity settings. Each one is a different hole of golf. Each setting contains a background photograph of a golf course with a white ball and a hole with a numbered flag coming out of it. Students must submit the equation...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ph Et: Function Builder
Play with functions while you ponder Art History. Explore geometric transformations and transform your thinking about linear functions, then have fun figuring out the mystery functions.
Texas Instruments
Texas Instruments: Adding Marbles
Each time students add ten marbles to a container filled with a small amount of water, they measure the height of the water. Students will examine their data and develop linear equations.
Cool Math
Coolmath: Horizontal and Vertical Lines
A short tutorial explaining the linear equations of horizontal and vertical lines.
CK-12 Foundation
Ck 12: Algebra: Intercepts by Substitution
[Free Registration/Login may be required to access all resource tools.] Learn how to graph linear equations by finding intercepts using substitution.
CK-12 Foundation
Ck 12: Algebra: Horizontal and Vertical Line Graphs
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to graph horizontal and vertical linear equations. Students watch videos, review guided notes and attempt practice problems.
Curated OER
Linear Functions
This site contains a short tutorial on point-slope, slope-intercept, and general form of linear equations. The site has an interactive graph of lines showing how the graph of a line changes when values of the linear equation change.
ClassFlow
Class Flow: Slope of Parallel Lines
[Free Registration/Login Required] This flipchart investigates the idea that linear equations that have the same slope will create parallel lines. We did some samples in class and then students are to predict what happens when equations...
Texas Instruments
Texas Instruments: Step by Step
In this activity, students take distance readings as they walk in front of a CBR. They apply the properties of a linear function to develop a model for the motion and interpret the values used in the model. Students learn to graph...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Find the Change
In this task, 8th graders work with linear functions and learn how to discuss and make calculations with slope and x- and y-intercepts. Aligns with 8.EE.B.
Alabama Learning Exchange
Alex: Graphing Is Great!
Students will explore graphing individually and in groups. They will also use an interactive activity to discuss slope and intercepts. To assess the lesson, students will use the floor tiles in the classroom as a large sheet of graph...
Alabama Learning Exchange
Alex: A Piece of Pi
This lesson uses graphing to help young scholars understand that pi is a constant and is the slope of the line graphed on a circumference vs. diameter graph.This lesson plan was created as a result of the Girls Engaged in Math and...
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.
ClassFlow
Class Flow: Linear Models
[Free Registration/Login Required] Students will learn the different forms of an equation of a line and will find the equations of a line in all three forms- point-slope form, slope-intercept form, and the general form (Ax+By=C).
ClassFlow
Class Flow: Equations
[Free Registration/Login Required] Students interpret algebraic equations and inequalities geometrically and describe geometric relationships algebraically.
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
Other
Algebra.com: Homework Solvers
This site offers both instruction and homework help in several algebraic topics, including topics within Pre-Algebra, Algebra I, and Algebra II.
ClassFlow
Class Flow: Definition of Slope
[Free Registration/Login Required] Presents the definition of slope and the formulas for y-intercept form.
Khan Academy
Khan Academy: Graphing Linear Functions Word Problems
Graph the line that represents a real-world relationship that is given verbally. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.