Sophia Learning
Sophia: Finding the Slope When Given Two Points
When given two ordered pairs, find the slope of a line. Includes video.
Annenberg Foundation
Annenberg Learner: Thinking About Slopes: Part B
Control the slope of lines passing through the origin (0, 0). Keep track of what changes when the slope becomes positive or negative, and when slope is larger or smaller than 1.
Annenberg Foundation
Annenberg Learner: Thinking About Slope
Explore the concept of slope. Ask yourself why the slope between pairs of points would change or why it would stay the same.
National Council of Teachers of Mathematics
The Math Forum: Slope Intercept
Use this site to learn how to write an equation in slope-intercept form if you already have the graph of the line. Let Joan the Chameleon walk you through the process.
Other
University of Wisconsin: Finding the Slopes of Lines
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.
Purple Math
Purplemath: Straight Line Equations: Slope Intercept Form
Slope-intercept form of a line is shown in formulas and examples with this Purplemath lesson. There are examples of slope-intercept with the slope and a point and with two points. Includes interactive widgets for exploring concepts.
Purple Math
Purplemath: Slope of a Straight Line
This lesson on slope explains the slope concepts, demonstrates how to use the slope formula, shows how to find slope in horizontal and vertical lines, and how to use slope to find whether the lines through the pairs of points are...
Lawrence Hall of Science
The Math Page: Skill in Algebra: The Slope of a Straight Line
Here is a site that clearly and thoroughly explains many topics surrounding the slope of a line, including slope of horizontal, vertical, parallel, and perpendicular lines in addition to the formula and concept of slope. There are...
Purple Math
Purplemath: Straight Line Equations: Point Slope Form
Two very clear examples of point-slope form are given in this Purplemath lesson. One example begins with the slope and a point and the other example begins with two points. Includes interactive widget for practice determining a linear...
Cool Math
Coolmath: Horizontal and Vertical Lines
A short tutorial explaining the linear equations of horizontal and vertical lines.
Cool Math
Coolmath: Finding the Slope of a Line From the Graph
Learn how to find the slope of a line from the graph.
Cool Math
Coolmath: Finding the Slope of a Line From Two Points
Learn how to find the slope of a line from two points.
Cool Math
Coolmath: Finding the Equation of a Line Given a Point and a Slope
A quick lesson on finding the equation of a line given a point and a slope.
Cool Math
Coolmath: Finding the Equation of a Line Given Two Points
Use this tutorial to find the equation of a line given two points.
Khan Academy
Khan Academy: Slope From a Graph
In this exercise, students practice constructing a linear equation for a line graph in order to find the slope. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Khan Academy
Khan Academy: Slope From an Equation in Slope Intercept Form
In this exercise, students practice determining slope from an equation written in standard form. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Khan Academy
Khan Academy: Slope From Two Points
In this exercise, students practice determining the linear equation and slope from two points on a line graph. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Slopes Between Points on a Line
Eighth graders work with slopes and similar triangles in this problem and will learn why the calculated slope will be the same for any two points on a given line. Aligns with 8.EE.B.6.
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...
Concord Consortium
Concord Consortium: Linear Equations: Y=mx+b
Graph lines using a slope and a y-intercept. Identify the slope and y-intercept from the equation of a line in slope-intercept form.
Concord Consortium
Concord Consortium: Linear Equations: Ski Slope
Explore slopes of lines and see how slope is represented on the x-y axes.
Concord Consortium
Concord Consortium: Linear Equations: Points, Intercepts, and Slopes, Oh My!
Learn how to graph lines with two methods: using x- and y-intercepts and using point-slope form.
Khan Academy
Khan Academy: Writing Slope Intercept Equations
Describes how to write a linear equation by using the y-intercept and another point on the line. Includes practice problems.
CK-12 Foundation
Ck 12: Geometry: Slope in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] Find the slope of a line given two points. Includes a video [5 min. 29 sec.], examples, and review problems along with an answer key.