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# Cross-Sections and Nets

## Cross-sections are intersections of a plane with a solid, and nets are unfolded, flat representations of the sides of a 3-D shape.

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.

## Cross-Sections and Nets

by CK-12 //basic
Represent three-dimensional objects in two dimensions.
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## Cross-Sections and Nets

This concept teaches students two ways to represent three dimensions in two dimensions: cross-sections and nets.
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## Recognize and Draw Nets

Recognize and draw two-dimensional representations of solid figures
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## Cross-sections and nets of three-dimensional figures 7.G.3

This concept teaches students two ways to represent three dimensions in two dimensions: cross-sections and nets.
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## MCC6.G.4 - Nets

Draw two-dimensional representations of solid figures
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## Cross Sections of Solids

Identify cross sections of solids. Use information about cross sections to find volumes of solids.
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## SLTs 4 & 5 Identify the shape of a two-dimensional cross section of a solid.

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## Cross Sections of Solids

Identify cross sections of solids. Use information about cross sections to find volumes of solids.
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## Cross-Sections and Nets

by Art Barket //basic
Represent three-dimensional objects in two dimensions.
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## Cross-Sections and Nets 2

by Christopher King //basic
Represent three-dimensional objects in two dimensions. EngageNY has been used for a portion of this content.
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## Cross-Sections & Nets

Draw two-dimensional representations of solid figures. EngageNY has been used for a portion of this content.
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## Nets

Draw two-dimensional representations of solid figures
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## Nets of Solid Figures

Discover how to match a solid figure to its net and a net to its solid figure.
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## MGSE7.G.3 Cross Sections of Solids

Identify cross sections of solids. Use information about cross sections to find volumes of solids.
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## Nets

Draw two-dimensional representations of solid figures
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• PLIX

## Cross-Sections and Nets: Cereal Box Blueprint

Cross-Sections and Nets Interactive
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• Video

## Nets - Overview

by CK-12 //basic
Overview
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• Video

## Cross Sections and Nets Principles

This video gives more detail about the mathematical principles presented in Cross Sections and Nets.
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• Video

## Cross Sections and Nets Examples

This video shows how to work step-by-step through one or more of the examples in Cross Sections and Nets.
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• Video

## Three Dimensions in Two Dimensions Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on three dimensions in two dimensions.
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• Video

## Three Dimensions in Two Dimensions Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Three Dimensions in Two Dimensions".
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• Video

## Geometry Nets

by CK-12 //basic
Learn about nets by "unfolding" a 3-dimensional figure.
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• Video

## Nets - Example 1

by CK-12 //basic
Determining whether a net will form a cube or cuboid when folded
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• Critical Thinking

## Cross-Sections and Nets Discussion Questions

A list of student-submitted discussion questions for Cross-Sections and Nets.
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• Real World Application

## Hold the Mail!

Watch as a Priority Mail package is constructed from its net into a box.
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• Real World Application

## Origami in Outer Space

Learn about the geometry that links the craft of origami to aerospace engineering.
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• Real World Application

## Womb with a View

Learn how cross-sections are used to create 3D and 4D ultrasounds.
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• Real World Application

## The Body Factory?

Discover how 3D printing will revolutionize medicine.
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• Study Guide

## Representing Solids Study Guide

This study guide gives an overview of isometric view, orthographic view, cross section, and nets.
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• Flashcards

## Cross-Sections and Nets

by Galaxy Portillo //basic
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• Flashcards

## Cross-Sections and Nets

by Kyle Bardman //basic