Illustrative Math Alignment: Grade 7 Unit 7
Angles, Triangles, and Prisms
Lesson 17: Building Prisms
Use the following Media4Math resources with this Illustrative Math lesson.
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Video Definition 31--3D Geometry--Net for a Tetrahedron--Spanish Audio | Video Definition 31--3D Geometry--Net for a Tetrahedron--Spanish Audio This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video. |
3-Dimensional Figures |
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Video Definition 32--3D Geometry--Net for a Triangular Prism | Net for a Triangular PrismTopic3D Geometry DefinitionA net for a triangular prism is a two-dimensional representation of a triangular prism, showing its two triangular bases and three rectangular faces laid out flat. |
Triangular Prisms |
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Video Definition 32--3D Geometry--Net for a Triangular Prism--Spanish Audio | Video Definition 32--3D Geometry--Net for a Triangular Prism--Spanish Audio This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video. |
Triangular Prisms |
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Video Definition 33--3D Geometry--Net for an Antiprism | Net for an AntiprismTopic3D Geometry DefinitionA net for an antiprism is a two-dimensional representation of an antiprism, showing its two polygonal bases and the alternating triangular faces laid out flat. |
3-Dimensional Figures |
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Video Definition 33--3D Geometry--Net for an Antiprism--Spanish Audio | Video Definition 33--3D Geometry--Net for an Antiprism--Spanish Audio This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video. |
3-Dimensional Figures |
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Video Definition 34--3D Geometry--Net for an Icosahedron | Net for an IcosahedronTopic3D Geometry DefinitionA net for an icosahedron is a two-dimensional representation of an icosahedron, showing its twenty triangular faces laid out flat. |
3-Dimensional Figures |
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Video Definition 34--3D Geometry--Net for an Icosahedron--Spanish Audio | Video Definition 34--3D Geometry--Net for an Icosahedron--Spanish Audio This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video. |
3-Dimensional Figures |
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Video Definition 35--3D Geometry--Net for an Octahedron | Net for an OctahedronTopic3D Geometry DefinitionA net for an octahedron is a two-dimensional representation of an octahedron, showing its eight triangular faces laid out flat. |
3-Dimensional Figures |
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Video Definition 35--3D Geometry--Net for an Octahedron--Spanish Audio | Video Definition 35--3D Geometry--Net for an Octahedron--Spanish Audio This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video. |
3-Dimensional Figures |
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VIDEO: 3D Geometry Animation: Antiprisms 2 | VIDEO: 3D Geometry Animation: Antiprism Folding Out into Two Pyramids
This is part of a series of video animations of three-dimensional figures. These animations show different views of these figures: top, side, and bottom. Many of these figures are a standard part of the geometry curriculum and being able to recognize them is important. — CLICK THE PREVIEW BUTTON TO SEE THE VIDEO ANIMATION —Study these animations to learn the basic properties of these 3D figures. In particular, make a note of their sides, edges, and vertices. Look for any symmetries they have. Look for polygon shapes that are familiar. Finally, think of real-world examples that use these figures. Below we also include information about Platonic solids and 2D nets of these 3D figures. To get a better understanding of these 3D figures, study these basic forms. |
3-Dimensional Figures |
