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...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Proportional Relationships, Lines, and Equations
In this task, 8th graders are shown the graphs of two lines with the same slope. They are given the equation for the first line and the coordinates of a point on the second and are asked to find the equation for the second line. Aligns...
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Slope & Line Equations
This site from the Northeast Parallel Architectures Center, Syracuse University has a very substantial discussion of math topics slope & line equations. The outline form is quite useful if you need to zero in on one aspect of...
Khan Academy
Khan Academy: Graph From Slope Intercept Form
Practice drawing the graph of a line given in slope-intercept form. For example, graph y = 3x + 2. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Equations of Lines
This tutorial covers x & y intercepts, point-slope form, slope-intercept form, graphing, and more. Use the practice problems at the end to check your skills.
Math Is Fun
Math Is Fun: Linear Equation Test
This interactive site checks students' understanding of slope and intercept. Seven question require students to determine slope and intercept of a line from the graph. The site is a test that can be scored on-line.
Illustrative Mathematics
Illustrative Mathematics: 8.f Downhill
In this task, a car is traveling down a steep hill. Students are given the function for elevation versus distance from the start and are asked to find and explain the slope and intercepts of the graph. Aligns with 8.F.B.4.
Khan Academy
Khan: Lesson 5: Relationships Among Linear Equations, Lines in Coordinate Plane
This lesson focuses on the relationship between algebraic, graphical, and contextual expressions of linear equations.
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...
Texas Instruments
Texas Instruments: Explore Parallel and Perpendicular Lines
Students can use a graphing calculator to explore graphs of parallel and perpendicular lines. Students will find that parallel lines have the same slope and different y-intercepts and that the slopes of two perpendicular lines are...
University of South Florida
Fcat: Spaghetti Bridges: Teacher Notes
Students build bridges and test their strength to collect data and write an equation. The concept of slope is explored in this activity.
TeachEngineering
Teach Engineering: Linear Equations Game
Students groups act as aerospace engineering teams competing to create linear equations to guide space shuttles safely through obstacles generated by a modeling game in level-based rounds. Each round provides a different configuration of...
Shmoop University
Shmoop: Basic Algebra: Slope Intercept Form
The tutorial discusses the slope-intercept form of a line. Learners explore the concept through notes and examples. Practice problems are included to check for comprehension of the algebra topic.
Alabama Learning Exchange
Alex: Human Slope
Learners will participate in this discovery activity intended for them to uncover the role each variable plays in the graph of a line in the form y = mx + b. Students will actually demonstrate lines in slope intercept form on a life size...
ClassFlow
Class Flow: Writing Linear Equations
[Free Registration/Login Required] Students will be able to write an equation of a line given a point and a slope. Students write the equation of a line given appropriate information such as slope, x-intercept, y-intercept, two points,...
Integrated Publishing
Integrated Publishing: Equation of a Straight Line
This math tutorial shows the relationship of a slope to a straight line and how to write equations in point-slope or slope-intercept form.
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.
Purple Math
Purplemath: Algebra Resources
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...
Other
Desmos: Linear Bundle
A collection of activities where students investigate linear equations. Activities involve an exploration of the lines in a polygraph and the vocabulary needed to describe them accurately; the slope in graphs; lines in different...
ClassFlow
Class Flow: Straight Lines
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
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...