Worksheet
Curated OER

Percentages: Decimals To Percent

For Students 4th - 7th Standards
In this percentages worksheet, learners write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.
Worksheet
Curated OER

Two Variable Inequalities

For Students 8th - 11th
In this algebra worksheet, students solve inequalities using addition, subtractions and multiplication. They graph the inequalities with shading. There are 2 questions.
Worksheet
Curated OER

Worksheet 5 Math 126-Hyperbolas

For Students 12th - Higher Ed
In this Pre-calculus worksheet, students solve problems involving hyperbolas. The two page worksheet contains explanation and four multi-part questions. Answers are not included.    
Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Activity
Cool Math

Coolmath: Finding the Equation of a Line Given Two Points

For Students 6th - 9th Standards
Use this tutorial to find the equation of a line given two points.
Activity
Cool Math

Coolmath: Finding the Equation of a Line Given a Point and a Slope

For Students 6th - 9th Standards
A quick lesson on finding the equation of a line given a point and a slope.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Finding the Equation of a Line

For Students 9th - 10th
Sixteen problems present a variety of practice finding the equation of a line. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Vector Equation of a Line

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Finding the Vector equation of a line in three dimensions
Activity
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Equation of a Line

For Students 9th - 10th Standards
The tutorial explores how to find the equation of a line. Students learn about the concept through class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Slope of a Line Using Two Points

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Find the slope of a line
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Equations of Parallel Lines

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the equation of a line that is parallel to a given line.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Slope of a Line Using Two Points

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the slope of a line and between two points.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Equations of Perpendicular Lines

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers determining if two lines are parallel, perpendicular, or neither and finding the equation of perpendicular lines to a given line.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Equation and Graph of a Straight Line

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the equation of a line, including how to find points on a line, intercepts, and how to recognize the equation of a line. There are example problems solved, problems for the student to...
Lesson Plan
Oswego City School District

Regents Exam Prep Center: Slopes and Equations of Lines

For Teachers 9th - 10th
Three resources for teaching slopes and equations of lines: a lesson with a formula for finding slope, different equations for lines, and several examples; a fourteen-question quiz covering slope, perpendicular and parallel lines, and...
Activity
Discovery Education

Discovery Education: Web Math: Find Equation of Line Given That You Know Its Slope and Y Intercept

For Students 9th - 10th
WebMath offers a java applet that allows you to input the slope and y-intercept of a line and gives you the equation of the line in slope-intercept form. It also gives a detailed solution using the information that you provided.
Lesson Plan
Alabama Learning Exchange

Alex: Finding the Slope of a Line

For Teachers 9th - 10th
This lesson will use a slide presentation to facilitate teaching learners how to find the slope of a line when given the graph of the line or two points. Students will interact with the presentation in two ways: first, by taking notes...
Activity
Other

Git: What Is the Slope Intercept Form of a Line?

For Students 9th - 10th
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
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.
Handout
University of California

Ucla Calculus Problem: Symmetric Equation of a Line

For Students 9th - 10th Standards
This site explains the steps to finding the parametric and symmetric equations of a line given two points in three dimensions.
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics

For Teachers 6th - 8th
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson plan introduces young scholars to plotting points on a Cartesian grid using a Geoboard. Lesson two...
Activity
Texas Instruments

Texas Instruments: Intersection of a Line With a Parabola

For Teachers 9th - 10th
In this activity, students use Computer Algebra System (CAS) tools to find intersections of linear and non-linear equations. They confirm their answers by graphing the equations on the calculator.
Lesson Plan
Alabama Learning Exchange

Alex: Midpoint of a Line Segment.

For Teachers 6th - 8th Standards
Investigate finding the midpoint of a line segment and derive the formula for the midpoint of two points on a coordinate plane. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Activity
Cool Math

Coolmath: Finding the Slope of a Line From the Equation

For Students 6th - 9th Standards
Use this tutorial to find the slope of a line from the equation.