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
Curated OER

Animal Brains

For Teachers 7th - 9th Standards
Do big bodies make big brains? Let your learners decide whether there is an association between body weight and brain weight by putting the data from different animals into a scatterplot. They can remove any outliers and then make a line...
Lesson Plan
Curated OER

Classroom Supplies

For Teachers 3rd - 4th Standards
Challenge young mathematicians to buy classroom supplies by staying within the means of a $1,000 budget. The mathematical activity provides learners with the opportunity to decide what items from the supply list would benefit a class of...
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

Two Lines

For Teachers 7th - 9th Standards
Here is a resource that helps your algebra learners understand the connection between the graph of two lines, the equations of lines, and the solutions and intersecting points of lines. It would make a great assessment question, but can...
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

Distance across the channel

For Teachers 7th - 9th Standards
Here you will find a model of a linear relationship between two quantities, the water depth of a channel and the distance across the channel at water level. The cross section of the channel is the shape of an isosceles trapezoid. The...
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.
Lesson Plan
Curated OER

Do Two Points Always Determine a Linear Function II?

For Teachers 9th - 12th Standards
Learners analyze the difference between the slope intercept and standard forms of a line in this task. Given two general points using letters they explore linear functions and linear equations.
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
Education World

Every-Day Edits: Betsy Ross

For Students 3rd - 8th
For this proof reading instructional activity, students find ten errors in a paragraph about Betsy Ross. They correct the errors using standard editing symbols.
Activity
Education World

Every-Day Edit: Alaska, the 49th State

For Students 3rd - 8th
For this editing activity, learners read and edit a short passage entitled, "Alaska, the 49th State." Students look for 10 errors in capitalization, punctuation, spelling and/or grammar.
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....
Lesson Plan
Illustrative Mathematics

Do Two Points Always Determine a Linear Function?

For Teachers 9th - 12th Standards
Your learners can approach this task algebraically, geometrically, or both. They analyze the building of a linear function given two points and expand the concrete approach to the abstract when they are asked to find the general form of...
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: 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
Richland Community College

Richland Community College: Graphs of Functions

For Students 9th - 10th Standards
This site from the Richland Community College provides graphs of Functions offers loose definitions of many terms relative to the graphing of functions.
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
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Point, Line, Planes, Angles

For Students 9th - 10th Standards
Practice using your graphing calculator for drawing and labeling points, lines, planes, and angles. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
Activity
Texas Instruments

Texas Instruments: Relations and Functions

For Teachers 9th - 10th
A function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. When a function is graphed, a vertical line can pass through the graph and touch only one point.
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.