Activity
Cool Math

Coolmath: Horizontal and Vertical Lines

For Students 6th - 8th Standards
A short tutorial explaining the linear equations of horizontal and vertical lines.
Unknown Type
Khan Academy

Khan Academy: Parallel & Perpendicular Lines From Equation

For Students 9th - 10th Standards
Use your knowledge about the slopes of parallel and perpendicular lines to solve some problems. For example, what's the equation of the lineperpendicular to y=3x-3 and passes through the point (-8, -2).
Unit Plan
Khan Academy

Khan: Lesson 5: Relationships Among Linear Equations, Lines in Coordinate Plane

For Students 9th - 10th Standards
This lesson focuses on the relationship between algebraic, graphical, and contextual expressions of linear equations.
Unit Plan
PBS

Pbs: The Lowdown: What You Need to Know About Immigration Reform

For Students 6th - 8th
Interpret graphs showing changes over time in the percentage of foreign-born US residents and in annual deportations in this interactive from KQED. In the accompanying classroom activity, students use the interactive and look at how...
Unit Plan
Shmoop University

Shmoop: Basic Algebra: Graphing Lines

For Students 9th - 10th Standards
The tutorial discusses slope and how to graph a line. Learners explore the concepts through notes and examples. Practice problems are included to check for comprehension of the algebra topics.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Mean Value Theorem 3 [Pdf]

For Students 9th - 10th
The handout investigates the calculus concept that given a section of a smooth curve, there is at least one point on that section where the slope of the curve is the same as the average derivative. The exercise consists of a graph that...
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Mean Value Theorem 4 [Pdf]

For Students 9th - 10th
The handout investigates the calculus concept that given a section of a smooth curve, there is at least one point on that section where the slope of the curve is the same as the average derivative. The exercise consists of a graph that...
Lesson Plan
Alabama Learning Exchange

Alex: Human Slope

For Teachers 9th - 10th Standards
Students 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...
Activity
TeachEngineering

Teach Engineering: Forces and Graphing

For Teachers 6th - 8th
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...
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,...
Lesson Plan
University of South Florida

Fcat: Spaghetti Bridges: Teacher Notes

For Teachers 9th - 10th Standards
Students build bridges and test their strength to collect data and write an equation. The concept of slope is explored in this activity.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 1 [Pdf]

For Students 9th - 10th
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 2 [Pdf]

For Students 9th - 10th
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 3 [Pdf]

For Students 9th - 10th
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 4 [Pdf]

For Students 9th - 10th
Learners estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 5 [Pdf]

For Students 9th - 10th
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Estimating Slope 6 [Pdf]

For Students 9th - 10th
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator: Parallel, Perpendicular, Slope, Transversal

For Students 9th - 10th Standards
Practice using your graphing calculator for drawing parallel lines, perpendicular lines, slope, and transversals. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Equations of Lines

For Students 9th - 10th Standards
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.
Unit Plan
Integrated Publishing

Integrated Publishing: Equation of a Straight Line

For Students 9th - 10th Standards
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.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Parallel and Perpendicular Lines

For Students 9th - 10th Standards
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.
Activity
Texas Instruments

Texas Instruments: Getting Started With the Ti Navigator: What's My Line

For Teachers 6th - 8th
This lesson introduces students to Activity Center and is intended to help students understand the meaning of slope and y-intercept. They will explore the relationships between symbolic expressions and graphs of lines by using Activity...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ee Proportional Relationships, Lines, and Equations

For Teachers 8th Standards
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...
Interactive
Other

Interactive Algebra: Graphing Helper for (Y = Mx + B)

For Students 9th - 10th Standards
Enter the slope and y-intercept of any line and it will be graphed for you. This site is great for becoming familiar with the concept of graphing and for checking your own graphs. Requires Java.