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Lesson Plan
Willow Tree

Parallel and Perpendicular Lines

For Students 8th - 11th Standards
Enhance your class's understanding of linear equations by extending their study to parallel and perpendicular lines. Young mathematicians learn the relationship between the slopes of parallel and perpendicular lines. They then use that...
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Worksheet
Curated OER

Writing Equations in Slope-Intercept Form

For Students 7th - 10th Standards
Use this worksheet to write equations in both point-slope form and slope-intercept form. Start by writing equations given one point and the slope and finish by writing equations given two points and a few real-world applications. The...
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Lesson Plan
Curated OER

Writing Linear Equations in Slope-Intercept Form

For Teachers 8th - 9th
In this math worksheet, learners are given three lines graphed on a coordinate grid. Students identify the slope, intercepts, and write an equation for each. Learners find the intercepts of a linear equation, and graph them. They write...
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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.
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Lesson Plan
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Teach Engineering

Forms of Linear Equations

For Teachers 7th - 9th Standards
Linear equations are all about form. The fifth part in a unit of nine works with the different equivalent forms of linear equations. Class members become familiar with each form by identifying key aspects, graphing, and converting from...
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Lesson Plan
West Contra Costa Unified School District

Point-Slope Application Problems

For Teachers 8th - 10th Standards
Create a linear equation for a problem when the intercept information is not given. The two-day lesson introduces the class to the point-slope form, which can be used for problems when the initial conditions are not provided. Pupils...
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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...
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Lesson Plan
Virginia Department of Education

Slope-2-Slope

For Teachers 8th - 10th Standards
Pupils build on previous experience with slope to investigate positive, negative, zero, and undefined slope. They complete a puzzle matching slope-intercept and standard forms of linear equations.
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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,...
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Lesson Plan
Curated OER

Graphs and Functions

For Teachers 7th - 9th Standards
Middle schoolers describe plotting functions on the Cartesian coordinate plane. They solve functions on paper and using an online tool to plot points on a Cartesian coordinate plane creating lines and parabolas.
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Worksheet
Curated OER

The Cartesian Plane

For Students 6th - 9th Standards
Learners solve and complete 22 various types of problems. First, they find the gradients of the lines and plot the given points. Then, they complete the table of values for each equation and use the table to draw the graph. 
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Interactive
CK-12 Foundation

Families of Lines: Room in Perspective

For Students 8th - 10th Standards
Get a perspective of lines that share a point. The interactive displays a family of lines that share the same y-intercept. Individuals can find the equations of the lines by moving the line displayed and find what is common about all the...
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Lesson Plan
Willow Tree

Equations of a Line

For Students 8th - 11th Standards
Each form of a linear equation has its purpose — pupils just have to find it. Building on the previous activity in the series, learners examine point-slope and standard form. Using point-slope form, pupils write the equation of a...
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Worksheet
Curated OER

Topic 2.3 - Slope

For Students 7th - 9th
For this slope intercept worksheet, students solve 15 problems in which they find the slope of a linear equation, the slope of a graph, the slope using 2 points, and the equation of a line parallel or perpendicular to a given line.
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Lesson Plan
EngageNY

The Graph of a Linear Equation in Two Variables Is a Line

For Teachers 8th Standards
Show your class that linear equations produce graphs of lines. The 20th segment in a unit of 33 provides proof that the graph of a two-variable linear equation is a line. Scholars graph linear equations using two points, either from...
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Lesson Plan
Curated OER

Linear Modelling of the Life Expectancy of Canadians

For Teachers 8th - 11th
Middle and high schoolers explore the concept of linear modelling.  In this linear modelling instructional activity, pupils find the line of best fit for life expectancy data of Canadians. They compare life expectancies of men and women,...
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Worksheet
Curated OER

Writing Linear Equations

For Students 8th - 10th
For this linear equations worksheet, learners observe a graphed line on a coordinate plane. From their observations, they write the slope-intercept form of the equation of the depicted line. This four page worksheet contains eight...
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Lesson Plan
Curated OER

Functions & Algebra

For Teachers 8th - 10th
Students examine linear equations. For this functions and algebra lesson, students write equations in the slope-intercept form. They enter data in a graphing calculator, examine tables, and write linear equations to match the data.
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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.
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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...
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Lesson Plan
Curated OER

Getting Started with the TI-Navigator™ System: What's My Line?

For Teachers 6th - 12th Standards
Learners analyze linear functions in this algebra lesson. They explore the meaning of slope and the slope-intercept form of a line as they investigate the effect changing parameters on the graph of a linear function.
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Lesson Plan
Curated OER

Slope and Equations of Lines: Extra Practice 29

For Teachers 8th - 9th
In this math worksheet, students write the slope intercept form of lines. In the first ten problems, students are given a point on the line and the slope. On the second ten problems students find the equation when given two points on the...
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Worksheet
Curated OER

Writing Linear Equations in Different Forms

For Students 7th - 10th Standards
This worksheet is jam-packed with linear equations! Learners write equations in slope-intercept form and standard form. Horizontal and vertical lines are included, as well as graphs for several of the problems.  A great way to practice...
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Worksheet
Curated OER

Chapter 2.4 - Writing Linear Equations

For Students 7th - 9th
In this slope-intercept worksheet, students solve 18 problems in which they find the slope-intercept and y-intercept of a graph given an equation, find the equation given a point and the slope-intercept, and find the equation of a...