Basic Geometric Definitions

Introduction to terms such as point, line, and plane.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Basic Geometric Definitions

by CK-12 //at grade
This concept introduces students to the basic principles and definitions of geometry, including points, lines and planes.
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• PLIX

Basic Geometric Definitions: Collinear Constellations

by CK-12 //at grade
Basic Geometric Definitions Interactive
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• PLIX

Basic Geometric Definitions: Alternate Dimensions

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Basic Geometric Definitions Interactive
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• Video

Basic Geometric Definitions Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in Basic Geometric Definitions.
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2
• Video

Points, Lines, and Planes

by CK-12 //at grade
Defines points, lines, and planes in an easy way.
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3
• Video

Basic Geometric Definitions

by CK-12 //at grade
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• 13
• Critical Thinking

Basic Geometric Definitions Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Basic Geometric Definitions.
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• Real World Application

The Warp and the Weft

by CK-12 //at grade
Learn about the weaving process and how a woven fabric on a loom can represent a plane.
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3
• Real World Application

Basic Geometric Definitions

by CK-12 //at grade
Can our brains see the 4th dimension?
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• Study Guide

Basics of Geometry Study Guide

by CK-12 //at grade
This study guide summarizes basic geometric terms (point, line, plane), how to interpret and label geometric figures, and 5 basic postulates for points, lines, planes, and intersections.
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8