The Math League
The Math League: Basic Terms: Endpoints
This tutorial features an explanation of endpoints.
The Math League
The Math League: Basic Terms: Parallel Lines
This tutorial provides an explanation and example of parallel lines.
Oswego City School District
Regents Exam Prep Center: Geometry Vocabulary Resources
A list of geometry definitions and a matching activity.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Similarity and Congruence
This multimedia Learn Alberta math resource looks at how the math concepts of similarity and congruence are utilized in the making of road signs. The accompanying interactive component asks students to manipulate triangles by dragging,...
Wolfram Research
Wolfram Math World: Geometry
This site provides an understanding of the many types of geometry.
Free Math Help
Free Math Help: Geometry Vocabulary
The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.
CK-12 Foundation
Ck 12: Geometry: Visual Patterns Grades 10 12
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the next term in a sequence.
Free Math Help
Free Math Help: How to Find the Limit
The resource explores basic terms used in geometry. The tutorial defines a point, line, and plane. Examples are included.
Vernet -Virtual Education Resources Network
Salon Hogar: Referencia Rapida De Formulas Geometricas
This site provides the user with a useful reference to different geometric forms, their elements, formulas, and areas. Entirely in Spanish.
Math Slice
Math Slice: Math Match
A game matching math vocabulary diagrams to the word. Content includes and geometry terms and various other math terminology.
ClassFlow
Class Flow: Geometry Line Vote
[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...
Math Is Fun
Math Is Fun: Right Angle
This very basic website gives a clear, simple explanation of what a right angle is.
Math Is Fun
Math Is Fun: Acute Angle
This very basic website gives a clear, simple explanation of what an acute angle is.
Doina Popovici
Math Play: 3 D Shapes Game: Concentration
A matching game where students match the name of the shape with the image of the shape.
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.
Math Slice
Math Slice: Math Match Game
Test your geometry aptitude using this interactive matching game. Match pictures and symbols to the correct definition. Answers are verified immediately. Winners can earn as much as 10,000 dollars and have their name posted for the day.
ArtLex
Art Lex: Architectural Model
An architectural modeling lesson that first demonstrates how architects combine forms to create buildings and then provides instructions for building architectural models. Includes links to architectural terms and to useful illustrations...
Alabama Learning Exchange
Alex: Let's Go Hunting!
Students will work in groups of 3 or 4 scouring the campus for items of various shapes, sizes and angles. The items that students will be looking for are outlined on the rubric. Students will use technology to create a creative digital...
Annenberg Foundation
Annenberg Learner: Insights Into Algebra 1. Workshop 8
Students will construct a mathematical model of a gear to determine the number of revolutions.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Points, Lines, Planes and Angles
Get independent practice identifying points, lines, rays, planes and angles. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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...
Texas Instruments
Texas Instruments: Properties of Reflections
I use this activity in the beginning of the school year when introducing terminology such as angles, lines, segments, measures, perpendicular etc. The original material is from the SIMMS Integrated Mathematics using Technology, I have...
Texas Instruments
Texas Instruments: Cabri Geometry Tour
In this activity, students use the Cabri software to mark points, draw lines, construct parallel and perpendicular lines, angles, bisectors, and triangles. They learn how to use the tool to measure angles.
Scholastic
Scholastic: Study Jams! Math: Geometry: Edges, Faces, Vertices
Explore edges, faces, and vertices with this step by step interactive lesson.