Handout
CK-12 Foundation

Ck 12: Geometry: Lines in the Coordinate Plane Study Guide

For Students 9th - 10th Standards
This study guide on lines in a coordinate plane covers key terms, what different line slopes look like, postulates about parallel and perpendicular lines, the slope-intercept equation, how to graph parallel and perpendicular lines, and...
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.
Activity
Texas Instruments

Texas Instruments: Math Today for Ti Navigator System: More Students Apply Early

For Teachers 9th - 10th
Using the USA TODAY Infograph, "More students apply early," students will explore scatter plots and independent and dependent variables. Students will determine a best-fit regression model for the real-life data set and then use the...
Lesson Plan
TeachEngineering

Teach Engineering: Forms of Linear Equations

For Teachers 7th - 9th
Students learn about four forms of equations: direct variation, slope-intercept form, standard form and point-slope form. They graph and complete problem sets for each, converting from one form of equation to another, and learning the...
Unit Plan
Other

Desmos: Linear Bundle

For Students 9th - 10th Standards
A collection of activities where students investigate linear equations. Activities involve an exploration of the lines in a polygraph and the vocabulary needed to describe them accurately; the slope in graphs; lines in different...
Whiteboard
ClassFlow

Class Flow: Graphing Inequalities

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students represent functional relationships using tables, equations, and graphs, and describe the connection among these representations.
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to use function notation to graph functions. Students examine guided notes, review guided practice, study vocabulary, watch instructional videos and...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: S Id.6a,7 Olympic Men's 100 Meter Dash

For Teachers 9th - 10th
This task asks students to identify when two quantitative variables show evidence of a linear association and to describe the strength and direction of that association. Students will use a scatterplot showing the finishing times for the...
Activity
Discovery Education

Discovery Education: Web Math: Graph a Line

For Students 9th - 10th
WebMath offers a java applet that allows you to input the slope of a line and a point on the line and gives you the equation, in slope-intercept form, of the line with the given slope that passes through the point. It also includes a...
Activity
Paul Dawkins

Paul's Online Notes: Algebra Cheat Sheet [Pdf]

For Students 6th - 8th
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
Graphic
Curated OER

Webmath.com: Graph a Line

For Students 9th - 10th
WebMath.com offers a java applet that allows you to input the slope of a line and a point on the line and gives you the equation, in slope-intercept form, of the line with the given slope that passes through the point. It also includes a...