Activity
West Contra Costa Unified School District

Slope-Intercept Sort

For Teachers 8th - 10th
What's so special about slope? Pupils first match cards with slope and y-intercept to graphs of linear equations. They continue the lesson by matching equations in slope-intercept form to the same graphs.
Lesson Plan
EngageNY

Some Facts About Graphs of Linear Equations in Two Variables

For Teachers 8th Standards
Develop another way to find the equation of a line. The lesson introduces the procedure to find the equation of a line given two points on the line. Pupils determine the two points from the graph of the line.
Interactive
CK-12 Foundation

Forms of Linear Equations: Equation Exploration

For Students 8th - 9th Standards
Different forms, same line. Young mathematicians investigate the standard form, slope-intercept form, and point-slope form of a linear equation. An interactive has them adjust lines on a coordinate plane to see changes in each form of...
Lesson Plan
Curated OER

Investigating Equations of Lines

For Teachers 9th - 12th Standards
High schoolers investigate linear equations as they use technology (Cabri, Jr.) to explore the equations of lines in slope-intercept form. The technology allows learners to manipulate the line and observe the changes in the parameters of...
Lesson Plan
Curated OER

Graphing from Slope-Intercept Form: Practice A

For Teachers 9th
Ninth graders investigate the slope-intercept form of a line.  For this Algebra I lesson, 9th graders graph linear equations by using the slope and y-intercept. 
Lesson Plan
Virginia Department of Education

Equations of Lines

For Teachers 7th - 9th Standards
Scholars connect slope-intercept form and standard form to the values of m and b by first matching a set of cards that have slope-intercept form, standard form, values of m, values of b, and graphs of linear equations. They then...
Lesson Plan
Curated OER

Do Two Points Always Determine a Linear Function II?

For Teachers 9th - 12th Standards
Learners analyze the difference between the slope intercept and standard forms of a line in this task. Given two general points using letters they explore linear functions and linear equations.
Lesson Plan
Curated OER

Writing Equations of Lines Using The Point-Slope Form

For Teachers 8th - 10th
In this writing equations worksheet, students find the equation of a line containing specified points. They determine the slope of a line from given points. This two-page worksheet contains 20 problems. Examples and explanations are...
Lesson Plan
Curated OER

An Exploration of the Slope of a Line

For Teachers 9th - 11th
Students define the slope of a line. In this algebra lesson, students differentiate between parallel and perpendicular lines using their slopes. They rewrite equations in slope intercept form and explain the meaning of the slope.
Lesson Plan
Curated OER

Lines, Lines, Everywhere

For Teachers 8th - 10th
Students explore linear equation suing real life scenarios. For this algebra lesson, students find the slope and intercept of a line. They create table of values to plot their graph and draw conclusions.
Lesson Plan
Curated OER

Writing Linear Equations Using a Given Point and Slope

For Teachers 9th - 10th
In this linear equation worksheet, students write the linear equation of a line that passes through a given point. This one-page worksheet contains 15 problems, with answers.
Handout
Charleston School District

Graphing with Slope-Intercept Form

For Students 8th - 9th Standards
Work on graphing linear equations using the provided materials. The print and video lesson thoroughly review the concepts related to graphing linear equations in slope-intercept and standard form. The materials prepare learners for...
Lesson Plan
Curated OER

The Slope of a Line

For Teachers 9th - 12th
Learners define the slope of a line as rate of change. They investigate positive, negative, zero, or undefined slope using a graphing calculator. They determine the slope of a line when given the equation of the line.
Lesson Plan
EngageNY

There is Only One Line Passing Through a Given Point with a Given Slope

For Teachers 8th Standards
Prove that an equation in slope-intercept form names only one line. At the beginning, the teacher leads the class through a proof that there is only one line passing through a given point with a given slope using contradiction. The 19th...
Worksheet
Curated OER

Find the Slope-intercept Equation Given a Pair of Points

For Students 8th - 10th
In this graphing worksheet, student find the slope-intercept equation for six given pairs of points.  Solutions are provided on the last page.
Lesson Plan
Illustrative Mathematics

DVD Profits, Variation 1

For Teachers 7th - 9th Standards
The idea in the resource is to understand the connections between proportional relationships, lines, and linear equations. To stay within the context of the standard, skip the part of the resource that solves with unit rates. Instead,...
Lesson Plan
EngageNY

Nature of Solutions of a System of Linear Equations

For Teachers 8th Standards
If at first you cannot graph, substitute. The instructional activity introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part...
Worksheet
Curated OER

Equation of a Straight Line Worksheet

For Students 9th - 12th
In this equation of a straight line worksheet, students find the equation of 4 lines in slope intercept form.  Students produce the linear equation of a line given its' graph.
Lesson Plan
Curated OER

Walk-A-Thon

For Teachers 7th - 9th
Students graph linear http://www.lessonplanet.com/review?id=180542equations. In this problem solving lesson, students calculate slope and plot ordered pairs on a coordinate grid. Using a real-life example of a walk-a-thon, students...
Lesson Plan
Curated OER

Algebra 1, Unit 7, Lesson 8: Practice Finding the Equation of a Line

For Teachers 7th - 9th
Learners solve systems of linear equations by graphing. The introduction of the lesson asks students to work in pairs or small groups to graph a line when given two points. Learners graph 14 equations on the same coordinate grid to...
Lesson Plan
Illustrative Mathematics

Proportional Relationships, Lines, and Linear Equations

For Teachers 7th - 9th Standards
The resource is a good introduction to what makes a proportional relationship between two lines. Discuss the similarities of both lines and the possibility of intersection. Use this opportunity to list other acceptable forms of each...
Handout
Del Mar College

All About Lines

For Students 7th - 10th Standards
This resource should be called "All About Lines, and Then Some!". Packed full of all the key components of linear functions, learners review how to set up different equations, find intercepts, and graph. All the main topics are included...
Lesson Plan
K20 LEARN

Airplanes and Airstrips, Part 2

For Teachers 9th Standards
Table the decision to land. Pupils form flight crews by matching up different representations of linear equations. Given a set of coordinates for an airstrip, the crews determine the equation of the line that will position their planes...
Worksheet
Curated OER

Review Linear Equations

For Students 8th - 9th
Explore algebra I/algebra II with this series of worksheets. Pupils write linear equations in slope-intercept and standard form, graph linear equations, and apply linear equations to real world applications. The six-page worksheet...