Learning Wave Communications
Learning Wave: Algebra, Section 2
The basic concepts of graphing are covered on this site, including points, slopes, equations of lines, and y-intercept. A quick discussion on the Pythagorean Theorem is also concluded. Several practice and application problems are...
Discovery Education
Discovery Education: Web Math: Algebra
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
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.
ClassFlow
Class Flow: Straight Lines
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
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.
Texas Instruments
Texas Instruments: Perpendicular or Parallel?
Students can use TI 73 calculators to explore equations that create parallel and perpendicular lines. Teacher will use the screen capture feature of the Navigator system to display students graphs and equations to discuss observations to...
Texas Instruments
Texas Instruments: The Phone Bill Problem
The student is given actual data and asked to find a line of best fit and to give "real world" interpretations of the slope and y-intercept. A great introduction to the 83/84 and its features.
PBS
Pbs: Modeling the Linear Relationship Between Fahrenheit and Celsius
Explore the relationship between degrees Fahrenheit and degrees Celsius. This video focuses on developing an expression to model the relationship between the temperature scales using a line graph to calculate slope and the y intercept.
Alabama Learning Exchange
Alex: Math Is Functional
This lesson is a technology-based activity in which students extend graphing of linear functions to the use of spreadsheet software. After students have become proficient in constructing a table of values, students are able to...
Texas Instruments
Texas Instruments: Using the Transform Application in an Algebra Class
This activity is intended to be a discovery activity for students to determine the effect that changing m and b have on the equation y=mx+b. There is a teacher guide and an activity to determine the student's level of understanding.