Interactive
Khan Academy

Challenge: Lined Paper

For Students 6th - Higher Ed
Now create your own graph paper with this JavaScript programming activity! First, change the while loop that draws horizontal lines into a for loop. Then, add another for loop that draws the vertical lines. For an added challenge,...
Lesson Plan
National Council of Teachers of Mathematics

Stitching Quilts into Coordinate Geometry

For Students 8th - 11th Standards
Who knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project...
Lesson Plan
Illustrative Mathematics

Walk-a-thon 1

For Teachers 6th - 8th Standards
Your mathematician's job is to explore the relationship between hours and miles walked during a walk-a-thon. The activity compels your learners to experiment with different means in finding out this proportional relationship. The answer...
Lesson Plan
Illustrative Mathematics

Introduction to Linear Functions

For Teachers 7th - 9th Standards
Introduce your algebra learners to linear and quadratic functions. Learners compare the differences and relate them back to the equations and graphs. Lead your class to discussions on the properties of a function or a constant slope...
Activity
West Contra Costa Unified School District

Slope-Intercept Sort

For Teachers 8th - 10th
What's so special about slope? Pupils first match cards with slope and y-intercept to graphs of linear equations. They continue the lesson by matching equations in slope-intercept form to the same graphs.
Activity
1
1
Curated OER

James and the Giant Peach Plot Analysis

For Teachers 3rd - 5th
It's all about the plot, main events, and story mapping with this lesson. As the class reads the novel James and the Giant Peach, they create an excitement graph that actually charts key events and moments of excitement. After...
Lesson Plan
Curated OER

Race to the Top

For Teachers K Standards
Here is a game that will help your young mathematicians practice number recognition and writing numbers. Played with a spinner or dice, individual learners or a pair will play this fun number game. They will roll the die or spin the...
Activity
Marshall Cavendish International

Coordinate Plane Treasure Hunt

For Teachers 5th - 8th Standards
Similar to the game Battleship®, partners try and determine where the opponent buried their treasures on the hidden coordinate plane. Two types of planes are provided, one with only quadrant one and one with all four for a higher...
Activity
PBL Pathways

Doctors and Nurses

For Students 11th - Higher Ed Standards
How many nurses does it take to support one doctor? A project-based activity asks learners to analyze state data to answer this question. Classes create polynomial functions from the data of doctors and nurses over a seven-year...
Lesson Plan
Curated OER

Triangles Inscribed in a Circle

For Teachers 9th - 12th Standards
Are you tired of answers without understanding? Learners can give a correct response, but do they really understand the concept? Have young mathematicians think deeper about linear functions, angles, and formulas in algebra....
Activity
Curated OER

Reflection and Refraction

For Students 9th - 12th Standards
Life is only a reflection of what we allow ourselves to see. The lesson includes three experiments on light reflection, light refraction, projection, lenses, and optical systems. Each experiment builds off the ones before and...
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
Other

Math N Stuff: Horizontal Lines Constant Functions

For Students 9th - 10th Standards
This site gives information regarding horizontal lines. The site contains a graph and poses a question relating to the equation of the line on the graph. The correct answer may be clicked on with a short reason.
Activity
Texas Instruments

Texas Instruments: Cabri Jr. The Equation of a L Ine

For Teachers 9th - 10th
This activity uses Cabri Jr. to graph a line and show the equation of the line. The equations for oblique, horizontal and vertical lines are explored with emphasis on slope and y-intercept.
Activity
Other

Linear Functions, Slope and Regressions

For Students 9th - 10th
Find activities here for linear functions, slopes and regression lines. Use them for classroom work or individual assignments.
Activity
California State University

Ca State University, San Bernadino: Graphing Techniques

For Students 9th - 10th
A survey of math graphing techniques includes horizontal and vertical shifts, stretching, lines of symmetry, even and odd functions, and absolute value functions.
Activity
University of North Carolina

University North Carolina Wilmington: Inverse Functions

For Students 9th - 10th Standards
Take a look at inverse functions from their definition to graphing them. This site also shows you how to find the inverse of a function.
Activity
Texas Instruments

Texas Instruments: Defining the Parabola

For Teachers 9th - 10th
The teacher will graph a horizontal line and plot a point using TI-Navigator, and the class will provide the points that create a parabola.
Activity
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center: Real World Investigation: Elevation Changes [Pdf]

For Students 3rd - 8th
Math and geography are the focus of this internet investigation. Learners must plan a road trip to several cities and plot the elevations of those cities using a line graph. Acrobat Reader required.
Activity
Texas Instruments

Texas Instruments: Implicit Differentiation

For Teachers 9th - 10th
Students differentiate an equation in two variables with respect to one. They calculate points where the tangent line is horizontal, vertical, or oblique and use the graphing capacity of the TI-89 to display the graph of the implicit...