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  • Geometry
2D Representations of 3D Objects
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CC BY-NC-ND
2D Representations of 3D Objects
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This lesson unit is intended to help teachers assess how well students are able to visualize two-dimensional cross-sections of representations of three-dimensional objects. In particular, the lesson will help you identify and help students who have difficulties recognizing and drawing two-dimensional cross-sections at different points along a plane of a representation of a three-dimensional object.

Subject:
Mathematics
Geometry
Material Type:
Assessment
Lesson Plan
Author:
Haley Dotson
Date Added:
08/03/2020
MoreLess
2D Rotation Using Matrices
Conditional Remix & Share Permitted
CC BY-NC-SA
2D Rotation Using Matrices
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This Demonstration illustrates the concept of rotating a 2D polygon. The rotation matrix is displayed for the current angle. The default polygon is a square that you can modify.

Subject:
Mathematics
Geometry
Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Interactive
Simulation
Teaching/Learning Strategy
Author:
Mito Are
Valeria Antohe
Date Added:
08/03/2020
MoreLess
2D Shapes
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CC BY
2D Shapes
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Unit abstract

 

The following lessons come from the Everyday Math (version 4) curriculum.  I have adapted the lessons by including face-to-face small group lessons, specific technology activities, and center activities (some being small group/buddy and some being independent).  I will be using a group rotation model during the implementation of this unit.  Each day will include a 1 hour block of time, with 20 minutes for each rotation.

 

Students will learn about attributes of two dimensional shapes.  Students will learn about defining and nondefining attributes of shapes.  Students will explore shapes through a building activity.  Students will combine two dimensional shapes to make composite figures.

Lesson 7.5  Attributes of shapes

Lesson 7.7  Defining and Nondefining Attributes

Lesson 8.1  Building shapes with Defining Attributes

Lesson 8.5  Combining 2-Dimensional Shapes

Subject:
Mathematics
Geometry
Material Type:
Lesson
Provider:
Michigan Virtual
Author:
Richard Brisson
Date Added:
03/24/2017
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2.G Partitioning a Rectangle into Unit Squares
Unrestricted Use
CC BY
2.G Partitioning a Rectangle into Unit Squares
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
2.G Partitioning a Rectangle into Unit Squares
Unrestricted Use
CC BY
2.G Partitioning a Rectangle into Unit Squares
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
3D Geometry - Naming 3D Shapes, Calculating Volume and Surface Area of Prisms, Cylinders, and Pyramids
Conditional Remix & Share Permitted
CC BY-NC
3D Geometry - Naming 3D Shapes, Calculating Volume and Surface Area of Prisms, Cylinders, and Pyramids
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https://www.educreations.com/lesson/view/3d-geometry/29389361/NOTE: These are video notes! They are to be used AFTER instruction of these concepts or possibly as a precursor to the actual activities. The link provided is a 27 minute video that I have used for notes with my 6th grade honors class. Obviously students shouldn't sit down and watch a 27 minute video all at once but it could be used in a part series as students are discovering these concepts in your class with actual activities. I love Educreations because it's really easy to make a video, get a link that you can embed into any online classroom space, and a large portion of the storage space is free! YAY FREE!

Subject:
Mathematics
Geometry
Material Type:
Lecture
Lecture Notes
Author:
Tabatha Myers
Date Added:
08/03/2020
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5.G Always, Sometimes, Never
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CC BY
5.G Always, Sometimes, Never
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
5.G What do these shapes have in Common?
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CC BY
5.G What do these shapes have in Common?
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
6.G Nets for Pyramids and Prisms
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CC BY
6.G Nets for Pyramids and Prisms
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
6.G Walking the Block
Unrestricted Use
CC BY
6.G Walking the Block
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
6.G Wallpaper Decomposition
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CC BY
6.G Wallpaper Decomposition
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Approximating the area of a circle
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CC BY
7.G Approximating the area of a circle
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Approximating the area of a circle
Unrestricted Use
CC BY
7.G Approximating the area of a circle
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Circumference of a Circle
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CC BY
7.G Circumference of a Circle
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Circumference of a Circle
Unrestricted Use
CC BY
7.G Circumference of a Circle
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Rescaling Washington Park
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CC BY
7.G Rescaling Washington Park
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
7.G Wedges of a Circle
Unrestricted Use
CC BY
7.G Wedges of a Circle
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
8.G, 8.EE Different Areas?
Unrestricted Use
CC BY
8.G, 8.EE Different Areas?
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess
8.G.A.4 Are They Similar?
Unrestricted Use
CC BY
8.G.A.4 Are They Similar?
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/16/2018
MoreLess