# 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

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

Basic Geometric Definitions Interactive
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• PLIX

## Basic Geometric Definitions: Alternate Dimensions

Basic Geometric Definitions Interactive
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• Video

## Basic Geometric Definitions Examples

This video shows how to work step-by-step through one or more of the examples in Basic Geometric Definitions.
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• Video

## Points, Lines, and Planes

Defines points, lines, and planes in an easy way.
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• Video

## Basic Geometric Definitions

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• 13
• Critical Thinking

## Basic Geometric Definitions Discussion Questions

A list of student-submitted discussion questions for Basic Geometric Definitions.
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• Real World Application

## The Warp and the Weft

Learn about the weaving process and how a woven fabric on a loom can represent a plane.
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• Real World Application

## Basic Geometric Definitions

Can our brains see the 4th dimension?
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• Study Guide