Worksheet
Curated OER

Quiz: Slope and Equation of Lines

For Students 8th - 10th
Help your Middle schoolers find the equation of a line that meets given specifications. They identify the slope and the y-intercept in this one-page activity. There are 10 problems to solve. 
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
Willow Tree

Approximating a Line of Best Fit

For Students 9th - 12th Standards
You may be able to see patterns visually, but mathematics quantifies them. Here learners find correlation in scatterplots and write equations to represent that relationship. They fit a line to the data, find two points on the line, and...
Lesson Plan
Curated OER

An Exploration of the Slope of a Line

For Teachers 9th - 11th
Students define the slope of a line. For 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

The Slope of a Line

For Teachers 9th - 12th
Students 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

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.
Lesson Plan
Texas Instruments

Properties of Parabolas

For Teachers 9th - 12th Standards
Explore the properties of parabolas in this lesson. Construct a parabola given a focus and a directrix on the Ti-Nspire. Write equations of parabolas in vertex form and determine the a value of a parabola given a focus and directrix.
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...
PPT
BW Walch

Creating and Graphing Linear Equations in Two Variables

For Teachers 9th - 10th Standards
This detailed presentation starts with a review of using key components to graph a line. It then quickly moves into new territory of taking these important parts and teasing them out of a word problem. Special care is...
Interactive
CK-12 Foundation

Graphs of Linear Systems: Star Lines

For Students 8th - 10th Standards
Let the class stars shine. Using four given linear equations, scholars create a graph of a star. The pupils use the interactive to graph the linear systems and determine the points of intersection. Through the activity, classmates...
Activity
Mathematics Common Core Toolbox

Golf Balls in Water

For Teachers 8th - 11th Standards
Here's a resource that models rising water levels with a linear function. The task contains three parts about the level of water in a cylinder in relationship to the number of golf balls placed in it. Class members analyze the data and...
Lesson Plan
EngageNY

Graphs of Piecewise Linear Functions

For Students 9th - 10th Standards
Everybody loves video day! Grab your class's attention with this well-designed and engaging resource about graphing. The video introduces a scenario that will be graphed with a piecewise function, then makes a connection to domain...
Lesson Plan
Curated OER

Students Teaching Equations of a Line

For Teachers 9th - 10th
Students are divided into groups and then each group is assigned a separate topic related to the equation of a line. Each group researches their topic and then they teach the rest of the groups about it.
Worksheet
Curated OER

Equation of a Line

For Students 9th
In this equation of a line worksheet, 9th graders solve and complete 4 different multiple choice problems. First, they use the median fit method to determine the equation that most likely represents the line of best fit for the data...
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
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

Slope of a Line

For Students 8th - 10th
In this slope of a line worksheet, students read about line graphs and plotting the slope of a line. They read about the rate of change which is represented by the slope. Students practice finding the slope of lines.
Worksheet
Curated OER

Linear Equations

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students write the equation of a line given the coordinates of two points on the line.  The one page worksheet contains a combination of three multiple choice and free response...
Worksheet
Curated OER

Write Equation of a Line given the Slope

For Students 9th - 11th
In this algebra worksheet, students solve linear equations using one and two steps. They solve systems of equations using substitution and elimination with graphing. There are links for ready made tests and quizzes.
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...
Lesson Plan
Curated OER

Write the Equation of a Line Given the Slope and a Point

For Teachers 9th - 10th
Students write the equation of a line given the slope and y-intercept. In this algebra lesson, students are given a point a the line and the slope of the line and are asked to write an equation of the line. They relate lines to real life...
Lesson Plan
EngageNY

Parallel and Perpendicular Lines

For Students 9th - 12th Standards
Use what you know about parallel and perpendicular lines to write equations! Learners take an equation of a line and write an equation of a line that is parallel or perpendicular using slope criteria. They then solve problems to...
Performance
Radford University

Picturing Lines

For Teachers 9th - 12th Standards
Slopes are everywhere—even in houses! Given a picture of a house, learners find lines with positive, negative, zero, and no slopes. Scholars determine the equation of the lines by calculating the slopes and y-intercepts. Class members...
Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 11th - Higher Ed
In this college level mathematics worksheet, students determine if lines are parallel or perpendicular and write the equation of a line described by a given set of conditions. The two page worksheet contains forty=two problems....