Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.6: Estimating a Solution via Graphs

For Teachers 9th - 10th
The purpose of this task is to give learners an opportunity use quantitative and graphical reasoning to detect an error in a solution. Aligns with A-REI.C.6.
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Parallel and Perpendicular Lines

For Students 9th - 10th Standards
Learners demonstrate comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on linear equations. Topics include writing equations of parallel and perpendicular lines.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Slope Intercept Form

For Students 7th - 9th Standards
Find a quick, concise explanation of the slope-intercept form. An example is given and clearly explained.
Activity
Curated OER

Linear Functions

For Students 9th - 10th Standards
This site contains a short tutorial on point-slope, slope-intercept, and general form of linear equations. The site has an interactive graph of lines showing how the graph of a line changes when values of the linear equation change.
Activity
Texas Instruments

Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations

For Teachers 9th - 10th
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
Activity
Texas Instruments

Texas Instruments: Symbolic Study of Lines

For Teachers 9th - 10th Standards
Students will write an equation in slope-intercept form given two points on the line; write an equation in Ax + By = C form given slope and one set of coordinates; and prove lines to be parallel or perpendicular given vertices of...
Unit Plan
Other

Technical Tutoring: Linear Functions and Straight Lines

For Students 9th - 10th Standards
Learn how to write equations for linear functions in all three forms: point-slope, slope-intercept, and general. Also look at equations for parallel and perpendicular. The page gives an explanation of how to obtain the point slope form...
Lesson Plan
Better Lesson

Better Lesson: Analyzing Linear Functions

For Teachers 5th - 8th Standards
This unit is all about linear relationships and functions.
Whiteboard
ClassFlow

Class Flow: Linear Models

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students will learn the different forms of an equation of a line and will find the equations of a line in all three forms- point-slope form, slope-intercept form, and the general form (Ax+By=C).
Whiteboard
ClassFlow

Class Flow: Slope Intercept Form

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart should be used to help the students understand the concept of slope-intercept form and expand their knowledge of graphing linear equations.
Unit Plan
Shmoop University

Shmoop: Basic Algebra: Slope Intercept Form

For Students 9th - 10th Standards
The tutorial discusses the slope-intercept form of a line. Learners explore the concept through notes and examples. Practice problems are included to check for comprehension of the algebra topic.
Whiteboard
ClassFlow

Class Flow: Understanding Slope as a Ratio

For Teachers 6th - 8th Standards
[Free Registration/Login Required] Finished investigating slope as an angle and will now do some investigation with slope as a ratio. It will then be a bridge to go back to linear equations (with the connection to rate of change). There...
Lesson Plan
University of Texas at Austin

Mathematics Teks Toolkit: What's Your Rate of Change?

For Teachers 9th - 10th Standards
In this lesson plan, students use an electronic data collector to write the equation of a line.
Activity
Columbia University

Columbia University: Slope Intercept Form

For Students 9th - 10th
This site from the Columbia University in the City of New York provides brief information on the slope-intercept form, and then has four helpful examples on the subject. Each example goes through the steps involved and arrives at a...
Activity
Texas Instruments

Texas Instruments: I Am Your Density

For Teachers 9th - 10th
In this activity you will: Model data using a linear equation; interpret the slope and intercept values from a linear model; identify a characteristic property of a substance; and examine the relationship between mass, volume, and density.
Activity
Texas Instruments

Texas Instruments: Sack Race

For Teachers 9th - 10th
The primary focus should be on slope as rate of change and piecewise functions. This activity allows exploration of multiple types of slope; i.e., positive slope, negative slope, or zero slope for students to build their understanding of...
Handout
Other

Mathway: Algebra Formulas

For Students 9th - 10th Standards
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Activity
Texas Instruments

Texas Instruments: Two Hot, Two Cold

For Teachers 9th - 10th
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Parallel and Perpendicular Lines

For Students 9th - 10th Standards
Given a line, learn how to find the equations for lines that are perpendicular and parallel to it. This tutorial offers several example graphs and problems as well as practice problems for you to work through when you're ready.
Activity
Cool Math

Coolmath: Horizontal and Vertical Lines

For Students 6th - 8th Standards
A short tutorial explaining the linear equations of horizontal and vertical lines.
Activity
Texas Instruments

Texas Instruments: Activity Center Golf Course

For Teachers 9th - 10th
There are nine activity settings. Each one is a different hole of golf. Each setting contains a background photograph of a golf course with a white ball and a hole with a numbered flag coming out of it. Students must submit the equation...
Activity
Texas Instruments

Texas Instruments: Adding Marbles

For Teachers 9th - 10th
Each time students add ten marbles to a container filled with a small amount of water, they measure the height of the water. Students will examine their data and develop linear equations.
Handout
Purple Math

Purplemath: Graphing Overview: Straight Lines

For Students 9th - 10th Standards
This resource provides an overview of graphing for various types of functions, instruction on graphing straight lines and also, includes advice on common mistakes made by students.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Funciones De Primer Grado

For Students 9th - 10th Standards
In Spanish. Interactive activities dealing with graphing equations in the form of y=mx+b.