University of South Florida
Florida Center for Instructional Tech: Famous People
Students estimate the ages of famous people, then create a scatterplot with the actual ages. This activity allows them to estimate with linear equations. You can access the age data through the "activity" link.
University of South Florida
Florida Center for Instructional Tech: Wacky Water World
At this site investigate linear equations with a graphing calculator. Data is gathered from a hypothetical situation of purchasing tickets at a waterpark.
Wolfram Research
Wolfram Math World: Line
This MathWorld site gives Euclid's definition of a line, properties of lines, common terminology, and algebraic representations of lines and their distinctive parts in a cartesian system. The site then goes into detail of different line...
Shodor Education Foundation
Shodor Interactivate: Function Machine
Students explore simple linear functions. The resource includes the activity and instructor resources.
Shodor Education Foundation
Shodor Interactivate: Linear Function Machine
Students investigate linear relationships. The resource includes the activity and instructor resources.
Shodor Education Foundation
Shodor Interactivate: Number Cruncher
The interactive activity has students explore simple linear functions by looking for patterns in the outputs to determine the function. The activity and teacher resources are included.
Shodor Education Foundation
Shodor Interactivate: Positive Linear Function Machine
The interactive activity has students explore positive linear functions by looking for patterns in the outputs to determine the function. The activity and teacher resources are included.
Shodor Education Foundation
Shodor Interactivate: Whole Number Number Cruncher
The interactive activity has students explore simple linear functions involving whole numbers by looking for patterns in the outputs to determine the function. The activity and teacher resources are included.
Texas Instruments
Texas Instruments: Cabri Jr. The Equation of a L Ine
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.
Texas Instruments
Texas Instruments: Constructing Lines From Individual Points
Students will understand that a line is made up of many points that all follow the same rule.
PBS
Pbs Learning Media: Two Sightings, Different Information
Jackie and Matt are looking at the same object along two different lines, in this video segment from Cyberchase.
Simon Fraser University
Chem1 Virtual Textbook: What Are Line Spectra?
Acting as part of an overview on quantum theory, this section of the site answers the question, what are line spectra? In addition to the definition and a discussion of related terms, the site also discusses how line spectra are organized.
ACT360 Media
Act Den: Art Box Paint Shop Pro Tools
Want to refresh your skills and learn the tools of Paint Shop Pro? This site has a user-friendly collection of Paint Shop Pro icons, click on each icon for a brief description and guide.
Friesian School
Proceedings of the Friesian School/the Quantacized Atom
A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...
Minneapolis Institute of Arts
Arts Connect Ed Artist's Toolkit Encyclopedia: Line
An interactive site that explores the elements and principles of visual art through the artist's toolkit. This is from the artist's toolkit encyclopedia and includes information on types of lines, edge and outline, expressive line,...
Minneapolis Institute of Arts
Arts Connect Ed Artist's Toolkit: Line
An interactive site that explores the elements and principles of visual art through the artist's toolkit. This lesson is on types of lines and the artwork studied is Franz Marc's Tiger. The animation shows the arrangement of the lines.
Other
Advogato: Trigonometry by Geometric Construction
This site from Advogato is all about angles. It contains information starting with what an angle is and what it looks like, all the way up to bisecting angles and theorems about angles. This is very good information for students just...
Other
The Alphabet of Art: The Attributes
An informative site explaining the attributes of art as well as other art terms.
J. Paul Getty Trust
J. Paul Getty Museum: Drawings by Rembrandt and His Pupils
Compare and contrast drawings by Rembrandt with those of his students to learn about his characteristic visual traits, especially his approach to line and his use of light and shadow to create the illusion of three dimensions.
Texas Instruments
Texas Instruments: Shortest Distance Between Points and Lines
This activity investigates concepts such as the shortest distance between two points in a plane, and the shortest distance between a line and a point not on the line. The analytical explanation of these concepts is supported with visual...
Shodor Education Foundation
Shodor Interactivate: Lesson: Lines, Rays, Line Segments, & Planes
This robust lesson plan for upper elementary and middle school grades introduces the concepts for lines, rays, line segments, and planes. Resources are linked to it and ready for your use.
Mangahigh
Mangahigh: Algebra: Test to See if a Point Is on a Line
Students explore the concept of determining if points form a line by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
CK-12 Foundation
Ck 12: Geometry: Parallel and Skew Lines
[Free Registration/Login may be required to access all resource tools.] Differentiate between parallel and skew lines.
Discovery Education
Discovery Education: Web Math: Graph a Line
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...