IXL Ad

Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 8 Unit 1

Rigid Transformations and Congruence

Lesson 15: Adding the Angles in a Triangle

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Topic
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 11 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 11 Solving Equations with Angle Measures--Example 11

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 12 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 12 Solving Equations with Angle Measures--Example 12

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 13 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 13 Solving Equations with Angle Measures--Example 13

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 14 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 14 Solving Equations with Angle Measures--Example 14

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 15 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 15 Solving Equations with Angle Measures--Example 15

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 2 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 2 Solving Equations with Angle Measures--Example 2

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 3 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 3 Solving Equations with Angle Measures--Example 3

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 4 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 4 Solving Equations with Angle Measures--Example 4

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 5 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 5 Solving Equations with Angle Measures--Example 5

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 6 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 6 Solving Equations with Angle Measures--Example 6

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 7 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 7 Solving Equations with Angle Measures--Example 7

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 8 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 8 Solving Equations with Angle Measures--Example 8

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
Math Example--Solving Equations--Solving Equations with Angle Measures--Example 9 Math Example--Solving Equations--Solving Equations with Angle Measures--Example 9 Solving Equations with Angle Measures--Example 9

Topic

Equations

 Solving Multistep Equations and Applications of Angles and Planes
MATH EXAMPLES--Teacher's Guide: Quadrilateral Classification MATH EXAMPLES--Teacher's Guide: Quadrilateral Classification MATH EXAMPLES--Teacher's Guide: Quadrilateral Classification

This set of tutorials provides 34 examples of the types of quadrilaterals and how to classify quadrilaterals based on the sides and angles.

This is part of a collection of teacher's guides. To see the complete collection of teacher's guides, click on this link. Note: The download is a PDF file.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

 Definition of a Quadrilateral
MATH EXAMPLES--Teacher's Guide: Right Triangles MATH EXAMPLES--Teacher's Guide: Right Triangles MATH EXAMPLES--Teacher's Guide: Right Triangles

This set of tutorials provides 26 examples of how to find the length of a side of a triangle using given angle or side measurements.

This is part of a collection of teacher's guides. To see the complete collection of teacher's guides, click on this link. Note: The download is a PDF file.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

 Right Triangles
MATH EXAMPLES--Teacher's Guide: Triangle Area and Perimeter MATH EXAMPLES--Teacher's Guide: Triangle Area and Perimeter MATH EXAMPLES--Teacher's Guide: Triangle Area and Perimeter

This set of tutorials provides 40 examples of how to find the area and perimeter of triangles.

This is part of a collection of teacher's guides. To see the complete collection of teacher's guides, click on this link. Note: The download is a PDF file.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

 Area and Perimeter of Triangles
MATH EXAMPLES--Teacher's Guide: Triangle Classification MATH EXAMPLES--Teacher's Guide: Triangle Classification MATH EXAMPLES--Teacher's Guide: Triangle Classification

This set of tutorials provides 24 examples that show how to identify different types of triangles and how to solve for x using the properties of triangles.

This is part of a collection of teacher's guides. To see the complete collection of teacher's guides, click on this link. Note: The download is a PDF file.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

 Definition of a Triangle
MATH EXAMPLES--Triangle Area and Perimeter MATH EXAMPLES--Triangle Area and Perimeter MATH EXAMPLES--Triangle Area and Perimeter

This set of tutorials provides 40 examples of how to find the area and perimeter of triangles. NOTE: The download is a PPT file.

 Area and Perimeter of Triangles
MATH EXAMPLES--Triangle Classification MATH EXAMPLES--Triangle Classification MATH EXAMPLES--Triangle Classification

This set of tutorials provides 24 examples that show how to identify different types of triangles and how to solve for x using the properties of triangles. NOTE: The download is a PPT file.

 Definition of a Triangle
Test Prep Interactive Quiz--Classifying Angles Test Prep Interactive Quiz--Classifying Angles Test Prep Interactive Quiz--Classifying Angles

This is part of a collection of self-scoring interactive math quizzes on a variety of topics.

To see the complete of these quizzes, click on this link. Note: The download is the teacher's guide.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Quiz Library

To see the complete collection of Quizzes, click on this link.

ary">click on this link.

 Definition of an Angle
Video Transcript: Desmos Geometry Exploration: Triangle Basics Video Transcript: Desmos Geometry Exploration: Triangle Basics Video Transcript: Desmos Geometry Exploration: Triangle Basics

This is the transcript for the video entitled, Desmos Geometry Exploration: Triangle Basics. In this video tutorial the basics of triangles are explored. Students are then shown how to construct triangles using the Desmos geometry tools.

This is part of a collection of video transcript for the video tutorial series on using the Desmos Geometry Tools. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

 Definition of a Triangle and Geometric Constructions with Triangles
Video Transcript: Geometry Applications: Triangles Video Transcript: Geometry Applications: Triangles Video Transcript: Geometry Applications: Triangles

This is the transcript for the video of same title. Video contents: In this program we explore the properties of triangle. We do this in the context of two real-world applications. In the first, we explore the triangular trusses in the Eiffel Tower and in the process learn about key properties of triangles. In the second application, we look at right-triangle-shaped sails on sail boat and why these are the ideal shape for efficient sailing.

 Applications of Triangles
Video Transcript: Geometry Applications: Triangles, Segment 1: Introduction Video Transcript: Geometry Applications: Triangles, Segment 1: Introduction Video Transcript: Geometry Applications: Triangles, Segment 1: Introduction

This is the transcript for the video of same title. Video contents: The Bank of China building in Hong Kong is a dramatic example of triangular support. The notion of triangular trusses is introduced, along with the key concepts developed in the rest of the program.

This is part of a collection of video transcript from the Geometry Applications video series. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

 Applications of Triangles
Video Transcript: Geometry Applications: Triangles, Segment 2: Triangles Video Transcript: Geometry Applications: Triangles, Segment 2: Triangles Video Transcript: Geometry Applications: Triangles, Segment 2: Triangles

This is the transcript for the video of same title. Video contents: The Eiffel Tower includes quite a number of exposed triangular trusses. The properties of triangles are used to explore and explain the frequent use of triangular trusses in many building. In particular, isosceles and equilateral triangular trusses are explored. In addition triangle postulates and similarity are explored and analyzed.

 Applications of Triangles
Video Transcript: TI-Nspire Mini-Tutorial: Circumscribing a Circle about a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Circumscribing a Circle about a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Circumscribing a Circle about a Triangle

This is the transcript for the TI-Nspire Mini-Tutorial entitled, Circumscribing a Circle about a Triangle.

This is part of a collection of video transcripts for the video tutorial series on using the TI-Nspire Graphing Calculator. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

 Geometric Constructions with Triangles
Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Circumcenter of a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Circumcenter of a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Circumcenter of a Triangle

This is the transcript for the TI-Nspire Mini-Tutorial entitled, Constructing the Circumcenter of a Triangle.

This is part of a collection of video transcripts for the video tutorial series on using the TI-Nspire Graphing Calculator. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

 Geometric Constructions with Triangles
Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Orthocenter of a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Orthocenter of a Triangle Video Transcript: TI-Nspire Mini-Tutorial: Constructing the Orthocenter of a Triangle

This is the transcript for the TI-Nspire Mini-Tutorial entitled, Constructing the Orthocenter of a Triangle.

This is part of a collection of video transcripts for the video tutorial series on using the TI-Nspire Graphing Calculator. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

 Geometric Constructions with Triangles
Video Tutorial: Desmos Geometry Exploration: Classifying Triangles by Angle Video Tutorial: Desmos Geometry Exploration: Classifying Triangles by Angle Video Tutorial: Desmos Geometry Exploration: Classifying Triangles by Angle

This is part of a collection of video tutorials on the topic of using the Desmos Geometry tools to explore geometric concepts.

 Definition of a Triangle and Geometric Constructions with Triangles
Video Tutorial: Desmos Geometry Exploration: Triangle Basics Video Tutorial: Desmos Geometry Exploration: Triangle Basics Video Tutorial: Desmos Geometry Exploration: Triangle Basics

This is part of a collection of video tutorials on the topic of using the Desmos Geometry tools to explore geometric concepts.

 Definition of a Triangle and Geometric Constructions with Triangles
Video Tutorial: Parallel Lines Cut by a Transversal: Example 1 Video Tutorial: Parallel Lines Cut by a Transversal: Example 1

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 2 Video Tutorial: Parallel Lines Cut by a Transversal: Example 2

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 3 Video Tutorial: Parallel Lines Cut by a Transversal: Example 3

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 4 Video Tutorial: Parallel Lines Cut by a Transversal: Example 4

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 5 Video Tutorial: Parallel Lines Cut by a Transversal: Example 5

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 6 Video Tutorial: Parallel Lines Cut by a Transversal: Example 6

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 7 Video Tutorial: Parallel Lines Cut by a Transversal: Example 7

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
Video Tutorial: Parallel Lines Cut by a Transversal: Example 8 Video Tutorial: Parallel Lines Cut by a Transversal: Example 8

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

 Parallel Lines
VIDEO: Geometry Applications: Triangles VIDEO: Geometry Applications: Triangles VIDEO: Geometry Applications: Triangles

In this program we explore the properties of triangles. We do this in the context of two real-world applications. In the first, we explore the triangular trusses in the Eiffel Tower and in the process learn about key properties of triangles. In the second application, we look at right-triangle-shaped sails on sail boat and why these are the ideal shape for efficient sailing.

 Definition of a Triangle and Applications of Triangles
VIDEO: Geometry Applications: Triangles, Segment 1: Introduction VIDEO: Geometry Applications: Triangles, 1 VIDEO: Geometry Applications: Triangles, Segment 1: Introduction

The Bank of China building in Hong Kong is a dramatic example of triangular support. The notion of triangular trusses is introduced, along with the key concepts developed in the rest of the program.

 Definition of a Triangle and Applications of Triangles
VIDEO: Geometry Applications: Triangles, Segment 2: Triangles VIDEO: Geometry Applications: Triangles, 2 VIDEO: Geometry Applications: Triangles, Segment 2: Triangles

The Eiffel Tower includes quite a number of exposed triangular trusses. The properties of triangles are used to explore and explain the frequent use of triangular trusses in many building. In particular, isosceles and equilateral triangular trusses are explored. In addition triangle postulates and similarity are explored and analyzed.

 Applications of Triangles
VIDEO: Geometry Applications: Triangles, Segment 3: Right Triangles VIDEO: Geometry Applications: Triangles, 3 VIDEO: Geometry Applications: Triangles, Segment 3: Right Triangles

The ancient port city of Corinth in Greece allows us to explore the evolution of sailing. The shapes of sails went from rectangular to triangular. The use of right-triangle-shaped sails changed the nature of sailing. Becoming less reliant on oarsmen and being able to sail under nearly any wind conditions, the sailboat made the conquest of the seas possible. We explore the properties of right triangles that make such sails ideal.

 Applications of Triangles and Definition of a Triangle
VIDEO: TI-Nspire Mini-Tutorial: Circumscribing a Circle about a Triangle VIDEO: Ti-Nspire Mini-Tutorial, Video 38 VIDEO: TI-Nspire Mini-Tutorial: Circumscribing a Circle about a Triangle

In this TI Nspire tutorial, the Geometry window is used to circumscribe a circle about a triangle. This video supports the TI-Nspire Clickpad and Touchpad.

 Geometric Constructions with Triangles
VIDEO: TI-Nspire Mini-Tutorial: Constructing the Circumcenter of a Triangle VIDEO: Ti-Nspire Mini-Tutorial, Video 51 VIDEO: TI-Nspire Mini-Tutorial: Constructing the Circumcenter of a Triangle

In this TI Nspire tutorial, the Geometry window is used to construct a triangle and its circumcenter. This video supports the TI-Nspire Clickpad and Touchpad.

 Geometric Constructions with Triangles
VIDEO: TI-Nspire Mini-Tutorial: Constructing the Orthocenter of a Triangle VIDEO: Ti-Nspire Mini-Tutorial, Video 52 VIDEO: TI-Nspire Mini-Tutorial: Constructing the Orthocenter of a Triangle

In this TI Nspire tutorial the Geometry window is used to construct the orthocenter of a triangle. This video supports the TI-Nspire Clickpad and Touchpad.

 Geometric Constructions with Triangles
WorksheetThumbnail.jpg Worksheet: Crossword Puzzle--Triangles Worksheet: Crossword Puzzle--Triangles

This is part of a collection of math worksheets that are crossword puzzles of math vocabulary.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Definition of a Triangle
WorksheetThumbnail.jpg Worksheet: Identifying Shapes, Worksheet 1 Worksheet: Identifying Shapes, Worksheet 1

This is part of a collection of math worksheets on the topic of geometric shapes.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Definition of a Circle, Definition of a Polygon and Definition of a Triangle
WorksheetThumbnail.jpg Worksheet: Identifying Shapes, Worksheet 2 Worksheet: Identifying Shapes, Worksheet 2

This is part of a collection of math worksheets on the topic of geometric shapes.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Definition of a Circle, Definition of a Polygon and Definition of a Triangle
WorksheetThumbnail.jpg Worksheet: Identifying Shapes, Worksheet 3 Worksheet: Identifying Shapes, Worksheet 3

This is part of a collection of math worksheets on the topic of geometric shapes.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Definition of a Circle, Definition of a Polygon and Definition of a Triangle
WorksheetThumbnail.jpg Worksheet: Identifying Shapes, Worksheet 4 Worksheet: Identifying Shapes, Worksheet 4

This is part of a collection of math worksheets on the topic of geometric shapes.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Definition of a Circle, Definition of a Polygon and Definition of a Triangle
Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 01 Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 01 Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 01

This is part of a collection of math worksheets on the topic of using the distance formula to calculate length, area, or perimeter.

To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Worksheet Library

To see the complete collection of Worksheets, click on this link. 		Distance Formula and The Distance Formula