Activity
Purple Math

Purplemath: Straight Line Equations: Slope Intercept Form

For Students 9th - 10th Standards
Slope-intercept form of a line is shown in formulas and examples with this Purplemath lesson. There are examples of slope-intercept with the slope and a point and with two points. Includes interactive widgets for exploring concepts.
Interactive
Doina Popovici

Math Play: Slope Intercept Basketball Game

For Students 8th - 9th Standards
This online game includes slope-intercept problems for students to solve. Students must recognize which variables represent the slope, or rise-over-run, and the y-intercept.
Unit Plan
Texas Education Agency

Texas Gateway: Determining Intercepts and Zeros of Linear Functions

For Students 9th - 10th
Given algebraic, tabular, or graphical representations of linear functions, the student will determine the intercepts of the graphs and the zeros of the function.
Interactive
Math Open Reference

Math Open Reference: Equations of a Line (Slope and Intercept Form)

For Students 6th - 8th Standards
The interactive resource investigates slope and intercept. Students adjust the sliders to control the slope (m) and the intercept (b) of the line. The equation and the line will change accordingly. Learners can also drag the origin.
Handout
Purple Math

Purplemath: The Meaning of Slope and Y Intercept in Context of Word Problems

For Students 9th - 10th Standards
This resource contains a lesson on the slope and y-intercept of a line and how to interpret them in word problems.
Website
Ducksters

Ducksters: Kids Math: Linear Equations: Slope Forms

For Students 3rd - 8th Standards
Explore the slope-intercept and point-slope forms of linear equations and how to graph them on this webpage.
Unit Plan
Concord Consortium

Concord Consortium: Linear Equations: Points, Intercepts, and Slopes, Oh My!

For Students 9th - 10th Standards
Learn how to graph lines with two methods: using x- and y-intercepts and using point-slope form.
Activity
Other

University of Wisconsin: Finding the Slopes of Lines

For Students 6th - 8th Standards
This is an interactive page that provides the user with practice for finding the slope of a line. The site has a list of seven questions and requires the user to change the graph to fit the given required slope.
Handout
Math Open Reference

Math Open Reference: Intercept of a Line

For Students 9th - 10th
A complete reference guide to finding the intercept of a line. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Unit Plan
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Linear Functions and Models: Basics: Slope and Intercept

For Students 9th - 10th Standards
A mathematics tutorial that allows you to interactively learn and manipulate the slope and intercepts of a line.
Handout
Purple Math

Purplemath: Using Slope and Y Intercept to Graph Lines

For Students 6th - 8th
Demonstrates, step-by-step and with illustrations, how to use slope and the y-intercept to graph straight lines.
Website
Cool Math

Coolmath: Perpendicular Lines

For Students 9th - 10th Standards
This CoolMath Resource will help students determine if lines are perpendicular by finding the slope, using the point-slope formula, and graphing.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graph Using Intercepts: Graphs of Linear Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn how to make and analyze graphs of linear functions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Characteristics of a Line

For Teachers 9th - 10th Standards
Characteristics of a line are explained to students through four different lessons. Topics include intercepts, slope, and special line cases. The lessons have an overview, materials, procedures, and evaluation techniques.
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Characteristics of a Line

For Teachers 9th - 10th Standards
Characteristics of a line are explained to students through four different lessons. Topics include intercepts, slope, and special line cases. The lessons have an overview, materials, procedures, and evaluation techniques.
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Writing Linear Equations

For Teachers 9th - 10th Standards
Three different lessons demonstrate how to write linear equations. The equations found from two points, slope and a point, and slope and y-intercept are all featured. The lessons have an overview, materials, procedures, and evaluation...
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Writing Linear Equations

For Teachers 9th - 10th Standards
Three different lessons demonstrate how to write linear equations. The equations found from two points, slope and a point, and slope and y-intercept are all featured. The lessons have an overview, materials, procedures, and evaluation...
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Writing Linear Equations

For Teachers 9th - 10th Standards
Three different lessons demonstrate how to write linear equations. The equations found from two points, slope and a point, and slope and y-intercept are all featured. The lessons have an overview, materials, procedures, and evaluation...
Unit Plan
Concord Consortium

Concord Consortium: Linear Equations: Y=mx+b

For Students 9th - 10th Standards
Graph lines using a slope and a y-intercept. Identify the slope and y-intercept from the equation of a line in slope-intercept form.
Unknown Type
University of Regina (Canada)

University of Regina: Math Central: Quiz Equation of a Line

For Teachers 9th - 10th
Quiz on plotting equations, slope and intercepts, equation of a line, and special lines.
Unknown Type
University of Regina (Canada)

University of Regina: Math Central: Quiz Equation of a Line

For Teachers 9th - 10th
Quiz on plotting equations, slope and intercepts, equation of a line, and special lines.
Unknown Type
University of Regina (Canada)

University of Regina: Math Central: Quiz Equation of a Line

For Teachers 9th - 10th
Quiz on plotting equations, slope and intercepts, equation of a line, and special lines.

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