Wolfram Research
Wolfram Math World: Coplanar
This MathWorld site gives the conditions for an object to be coplanar and a good definition of this term. Gives links to related pages.
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.
ClassFlow
Class Flow: Geometry Basics
[Free Registration/Login Required] This Flipchart lesson introduces students to basic terms and figures in geometry. Good for introductory lesson.
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...
University of Saskatchewan (Canada)
University of Saskatchewan: Geometry
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important topics in geometry: Triangles, and Circles and Other...
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.
Mr. Martini's Classroom
Mr. Martini's Classroom: Basic Geometry: Points, Lines, and Angles
Students can review basic geometric terms using these self-check, multiple choice questions. Three levels of questions are provided.
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.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Progresiones
This interactive unit introduces the concepts of arithmetic and geometric progression. It shows how to obtain the terms of a progression, its general term and the sum of the terms.
Illustrative Mathematics
Illustrative Mathematics: A sse.b.4: Triangle Series
The purpose of this task is to emphasize the adjective "geometric" in the "geometric" series, namely, that the algebraic notion of a common ratio between terms corresponds to the geometric notion of a repeated similarity transformation....
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Sequences
An introductory tutorial on sequences, complete with important definitions, example problems and step-by-step solutions, and several practice exercises for you to complete and check. Provides good explanations and examples of arithmetic,...
Texas Education Agency
Texas Gateway: Using Logical Reasoning to Prove Statements Are True
Given statements about a geometric relationship, the student will distinguish between the undefined terms, definitions, postulates, conjectures, and theorems to prove the statements are true.
University of Georgia
University of Georgia: Inter Math: Constructionary
The activity is designed to help learners create constructions using Geometer?s Sketchpad. The geometry tutorial consists of definitions and pictures of mathematics terms.
University of Georgia
University of Georgia: Inter Math: Edge
This site gives a description of edge along with a visual representation. Be sure to use the links to related terms, everyday examples, challenging problems, more information, and the interactive check point located in the left-hand column.
Optical Society
Optical Society of America: Optics for Kids: Exploring the Science of Light
A collection of information on the science of light and optics. Features a wide variety of resources: key events in history, reference materials, multimedia links, optical illusion activities, glossary of optics terms, and information on...
Illustrative Mathematics
Illustrative Mathematics: G Gpe When Are Two Lines Perpendicular?
The goal of this task is to examine when two lines in the plane are perpendicular in terms of their slopes. Aligns with HSG-GPE.B.5.
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.
Math Slice
Math Slice: Geometry Slice Special Test
A succinct test for assessing geometry concepts. Assessment is scored online giving immediate feedback. An excellent assessment tool.
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...
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