Lesson Plan
Alabama Learning Exchange

Alex: Finding the Slope of a Line

For Teachers 9th - 10th
This lesson will use a slide presentation to facilitate teaching students how to find the slope of a line when given the graph of the line or two points. Students will interact with the presentation in two ways: first, by taking notes...
Activity
Other

University of Wisconsin: Finding the Slopes of Lines

For Students 6th - 8th Standards
This is an interactive page that provides the user with practice for finding the slope of a line. The site has a list of seven questions and requires the user to change the graph to fit the given required slope.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Slope

For Students 9th - 10th
A tutorial on slope with many step-by-step examples. The tutorial clarifies what slope is, how to find slope between two points on a graph, and how slopes of parallel and perpendicular lines are related.
Website
Cool Math

Coolmath: Perpendicular Lines

For Students 9th - 10th Standards
This CoolMath Resource will help students determine if lines are perpendicular by finding the slope, using the point-slope formula, and graphing.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ee Coffee by the Pound

For Teachers 8th Standards
In this task about the cost of coffee, 8th graders find the cost per pound, how much can be purchased for one dollar, what the graph will look like, and what the slope means. Aligns with 8.EE.B.5.