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Handout
University of Toronto (Canada)

University of Toronto: Why the Midpoint Formula Works

For Students 9th - 10th Standards
A written proof that shows how the midpoint formula works.
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Handout
Wolfram Research

Wolfram Math World: Line Segment

For Students 9th - 10th Standards
This site contains a definition of a line segment. Includes a graphic and links to related sites.
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Handout
The Math League

The Math League: Line Segments

For Students 3rd - 5th Standards
This tutorial provides an explanation of line segments.
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Interactive
Quia

Quia: Geometric Terms Flash Cards

For Students 2nd - 8th Standards
Do you need practice remembering or learning different geometry vocabulary words and definitions? The flash cards at this web site are for you! There is a link to a list of terms with definitions you can click if you want to see if you...
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Interactive
Quia

Quia: Geometric Terms Concentration

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This concentration game is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if...
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Interactive
Quia

Quia: Geometric Terms Word Search

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
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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.
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PPT
Sophia Learning

Sophia: Midpoint vs. Segment Bisector: Lesson 7

For Students 9th - 10th Standards
This lesson defines midpoint and segment bisector, and provides examples that demonstrate how to distinguish between the two. It is 7 of 10 in the series titled "Midpoint vs. Segment Bisector."
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Whiteboard
ClassFlow

Class Flow: Segments and Polygons

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart reviews segments, parallel and perpendicular lines and then introduces polygons including quadrilaterals. It has many real world examples of shapes and includes Activote assessment.
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Handout
Free Math Help

Free Math Help: Defined Terms

For Students 9th - 10th Standards
The lesson discusses commonly used geometric terms. Definitions and examples of a line segment, ray, and angle are included.
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Whiteboard
ClassFlow

Class Flow: Geometry Line Vote

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] In this lesson the teacher will use geometry and spatial sense to distinguish between point, ray, line, line segment and angle. The students will review vocabulary for these terms and then...
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Whiteboard
ClassFlow

Class Flow: Line, Ray, Line Segment

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart describes the differences between a line, ray, and line segment.
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Unit Plan
Math Is Fun

Math Is Fun: Line

For Students 2nd - 5th Standards
Find definitions and images of line, line segment, and ray.
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Handout
Varsity Tutors

Varsity Tutors: Hotmath: Congruent Line Segments

For Students 9th - 10th Standards
Find a quick, concise explanation of Congruent Line Segments. Several examples are given and clearly explained.
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Unit Plan
Free Math Help

Free Math Help: Length of a Line Segment

For Students 9th - 10th Standards
The resource explains how to calculate the length of a line segment by working out an example.
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Interactive
Mocomi & Anibrain Digital Technologies

Mocomi: Lines and Angles

For Students 2nd - 8th Standards
Provides details about the properties of straight lines, types of straight lines, line segments, rays, curved lines, and types of angles.