Illustrative Math Alignment: Grade 8 Unit 1
Rigid Transformations and Congruence
Lesson 16: Parallel Lines and the Angles in a Triangle
Use the following Media4Math resources with this Illustrative Math lesson.
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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 |
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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 |
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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 |
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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 |
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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 |
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VIDEO: Geometry Applications: Triangles | VIDEO: Geometry Applications: Triangles
TopicTriangles |
Definition of a Triangle and Applications of Triangles |
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VIDEO: Geometry Applications: Triangles, 1 | VIDEO: Geometry Applications: Triangles, 1
TopicTriangles DescriptionThis video introduces the importance of triangles in architecture and structural design. It highlights the use of triangles in structures like the Bank of China Tower in Hong Kong, noting their ability to provide strength and stability. The video focuses on the role of triangles in reinforcing skyscrapers to withstand strong winds, especially during typhoon seasons. Key vocabulary includes architectural support, triangular base, and stability. The video sets up a foundation for exploring how triangle properties are applied in real-world contexts. |
Definition of a Triangle and Applications of Triangles |
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VIDEO: Geometry Applications: Triangles, 2 | VIDEO: Geometry Applications: Triangles, 2
TopicTriangles |
Applications of Triangles |
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VIDEO: Geometry Applications: Triangles, 3 | VIDEO: Geometry Applications: Triangles, 3
TopicTriangles |
Applications of Triangles and Definition of a Triangle |
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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 |
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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 |
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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 |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Definition of a Triangle |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Definition of a Circle, Definition of a Polygon and Definition of a Triangle |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Definition of a Circle, Definition of a Polygon and Definition of a Triangle |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Definition of a Circle, Definition of a Polygon and Definition of a Triangle |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Definition of a Circle, Definition of a Polygon and Definition of a Triangle |
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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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 02 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 02
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 03 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 03
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 04 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 04
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 05 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 05
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 06 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 06
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 07 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 07
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 08 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 08
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 09 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 09
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 10 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 10
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 11 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 11
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 12 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 12
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 13 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 13
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 14 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 14
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 15 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 15
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 16 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 16
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 17 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 17
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 18 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 18
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 19 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 19
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 20 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 20
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 21 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 21
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 22 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 22
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 23 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 23
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 24 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 24
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 25 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 25
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 26 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 26
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 27 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 27
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 28 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 28
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 29 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 29
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 30 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 30
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 31 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 31
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 32 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 32
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
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Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 33 | Worksheet: Using the Distance Formula to Calculate Triangular Area, Worksheet 33
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 ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Distance Formula and The Distance Formula |
