Oswego City School District
Regents Exam Prep Center: Parallel and Perpendicular Lines
This site displays formulas and examples, pertaining to slope, for parallel and perpendicular lines.
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: 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...
Math Planet
Math Planet: The Slope of a Linear Function
Gain an understanding of how to find the slope of a linear function by viewing an example and a video lesson. [1:44]
University of Texas at Austin
Mathematics Teks Toolkit: What's Your Rate of Change?
In this instructional activity, students use an electronic data collector to write the equation of a line.
Math Planet
Math Planet: Algebra 1: The Slope of a Linear Function
Provides examples and a video lesson that illustrates how to find the slope of a linear function.
Math Planet
Math Planet: Parallel and Perpendicular Lines
Provides examples and a video lesson that illustrates parallel and perpendicular lines.
Physics Aviary
Physics Aviary: Atwood Machine Lab
This lab was designed to have students practice the Atwood lab prior to doing it for real. Students can adjust the masses and the planet and then collect position vs. time data and velocity vs. time data.
Cool Math
Coolmath: Horizontal and Vertical Lines
A short tutorial explaining the linear equations of horizontal and vertical lines.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Relating the Shape to the Motion
A series of motion diagrams with corresponding velocity-time graph sketched and explained. Near the end of this page, a few practice problems are given.
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.
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.
Khan Academy
Khan Academy: Slope Review
Reviews what slope is and how to calculate it from a line graph and from two coordinate pairs. Includes two practice questions and explanations of their solutions.
Khan Academy
Khan Academy: Practice: Slope From Two Points
In this practice quiz, students are asked to calculate the slope of a line that passes through two given coordinate pairs. Includes hints.
Illustrative Mathematics
Illustrative Mathematics: S Id.7 Used Subaru Foresters
Jane wants to sell her Subaru Forester and does research online to find other cars for sale in her area. She examines the scatterplot of price versus age and determines that a linear model is appropriate. Answer a variety of questions...
Illustrative Mathematics
Illustrative Mathematics: S Id Coffee and Crime
This task addresses many standards regarding the description and analysis of bivariate quantitative data, including regression and correlation. Given a scatter plot, students will answer a variety of questions about linear relationships,...
Illustrative Mathematics
Illustrative Mathematics: G Gpe Parallel Lines in the Coordinate Plane
The goal of this task is to prove the slope criterion for parallel lines. Aligns with HSG-GPE.B.5.
Illustrative Mathematics
Illustrative Mathematics: G Gpe When Are Two Lines Perpendicular?
The goal of this task is to examine when two lines in the plane are perpendicular in terms of their slopes. Aligns with HSG-GPE.B.5.
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Estimating a Solution via Graphs
The purpose of this task is to give students an opportunity use quantitative and graphical reasoning to detect an error in a solution. Aligns with A-REI.C.6.
Illustrative Mathematics
Illustrative Mathematics: F Le Equal Differences Over Equal Intervals 1
In this task, students prove that linear functions grow by equal differences over equal intervals, and notice that in this case, the equal differences have the same value as the slope. Aligns with F-LE.A.1.a.