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Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 8 Unit 3

Functions and Volume

Lesson 17: Scaling One Dimension

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Topic
Video Definition 33--3D Geometry--Net for an Antiprism--Spanish Audio 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
Video Definition 34--3D Geometry--Net for an Icosahedron Video Definition 34--3D Geometry--Net for an Icosahedron Net for an Icosahedron

Topic

3D Geometry

Definition

A net for an icosahedron is a two-dimensional representation of an icosahedron, showing its twenty triangular faces laid out flat.

3-Dimensional Figures
Video Definition 34--3D Geometry--Net for an Icosahedron--Spanish Audio 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
Video Definition 35--3D Geometry--Net for an Octahedron Video Definition 35--3D Geometry--Net for an Octahedron Net for an Octahedron

Topic

3D Geometry

Definition

A net for an octahedron is a two-dimensional representation of an octahedron, showing its eight triangular faces laid out flat.

3-Dimensional Figures
Video Definition 35--3D Geometry--Net for an Octahedron--Spanish Audio 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
Video Definition 36--3D Geometry--Octahedron Video Definition 36--3D Geometry--Octahedron Octahedron

Topic

3D Geometry

Definition

An octahedron is a three-dimensional shape with eight flat triangular faces.

3-Dimensional Figures
Video Definition 36--3D Geometry--Octahedron--Spanish Audio Video Definition 36--3D Geometry--Octahedron--Spanish Audio Video Definition 36--3D Geometry--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
Video Definition 37--3D Geometry--Platonic Solids Video Definition 37--3D Geometry--Platonic Solids Platonic Solids

Topic

3D Geometry

Definition

Platonic solids are a group of five regular polyhedra, each with congruent faces of regular polygons and the same number of faces meeting at each vertex.

3-Dimensional Figures
Video Definition 37--3D Geometry--Platonic Solids--Spanish Audio Video Definition 37--3D Geometry--Platonic Solids--Spanish Audio Video Definition 37--3D Geometry--Platonic Solids--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
Video Definition 38--3D Geometry--Prism Video Definition 38--3D Geometry--Prism Prism

Topic

3D Geometry

Definition

A prism is a three-dimensional shape with two parallel, congruent bases and rectangular lateral faces.

Description

Prisms are important geometric shapes characterized by their two parallel, congruent bases and rectangular lateral faces. They are used in various fields, including architecture, engineering, and optics, to create structures and lenses. In mathematics, prisms are essential for understanding concepts of volume and surface area, with formulas like 

V = Base Area × Height 

3-Dimensional Figures
Video Definition 38--3D Geometry--Prism--Spanish Audio Video Definition 38--3D Geometry--Prism--Spanish Audio Video Definition 38--3D Geometry--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.

3-Dimensional Figures
Video Definition 39--3D Geometry--Pyramid Video Definition 39--3D Geometry--Pyramid Pyramid

Topic

3D Geometry

Definition

A pyramid is a three-dimensional shape with a polygonal base and triangular faces that converge at a single point called the apex.

Description

Pyramids are significant geometric shapes characterized by their polygonal base and triangular faces that converge at an apex. They are used in various fields, including architecture, art, and archaeology, to create structures and monuments. In mathematics, pyramids are important for understanding concepts of volume and surface area, with formulas like 

V = 1/3 × Base Area × Height

Pyramids
Video Definition 39--3D Geometry--Pyramid--Spanish Audio Video Definition 39--3D Geometry--Pyramid--Spanish Audio Video Definition 39--3D Geometry--Pyramid--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.

Pyramids
Video Definition 4--3D Geometry--Cavalieri's Principle Video Definition 4--3D Geometry--Cavalieri's Principle Cavalieri's Principle

Topic

3D Geometry

Definition

Cavalieri's Principle states that two solids with equal heights and equal cross-sectional areas at every level have equal volumes.

3-Dimensional Figures
Video Definition 4--3D Geometry--Cavalieri's Principle--Spanish Audio Video Definition 4--3D Geometry--Cavalieri's Principle--Spanish Audio Video Definition 4--3D Geometry--Cavalieri's Principle--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
Video Definition 40--3D Geometry--Rectangular Prism Video Definition 40--3D Geometry--Rectangular Prism Rectangular Prism

Topic

3D Geometry

Definition

A rectangular prism is a three-dimensional shape with six rectangular faces, twelve edges, and eight vertices.

Description

Rectangular prisms are fundamental geometric shapes characterized by their six rectangular faces, twelve edges, and eight vertices. They are used in various fields, including architecture, engineering, and packaging, to create structures and containers. In mathematics, rectangular prisms are essential for understanding concepts of volume and surface area, with formulas like 

V = l × w × h 

Rectangular Prisms
Video Definition 40--3D Geometry--Rectangular Prism--Spanish Audio Video Definition 40--3D Geometry--Rectangular Prism--Spanish Audio Video Definition 40--3D Geometry--Rectangular 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.

Rectangular Prisms
Video Definition 41--3D Geometry--Slant Height Video Definition 41--3D Geometry--Slant Height Slant Height

Topic

3D Geometry

Definition

Slant height is the distance from the top of a cone or pyramid to the edge of its base, measured along its side.

3-Dimensional Figures
Video Definition 41--3D Geometry--Slant Height--Spanish Audio Video Definition 41--3D Geometry--Slant Height--Spanish Audio Video Definition 41--3D Geometry--Slant Height--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
Video Definition 42--3D Geometry--Sphere Video Definition 42--3D Geometry--Sphere Sphere

Topic

3D Geometry

Definition

A sphere is a perfectly round three-dimensional shape where every point on the surface is equidistant from the center.

Description

The sphere is a fundamental shape in geometry, characterized by its perfect symmetry and uniform curvature. It is widely used in fields like physics, astronomy, and engineering to model planets, atoms, and other spherical objects. In mathematics, spheres are important for understanding concepts of volume and surface area, with formulas like 

V = 4/3 πr3

for volume and 

A = 4πr2

Spheres
Video Definition 42--3D Geometry--Sphere--Spanish Audio Video Definition 42--3D Geometry--Sphere--Spanish Audio Video Definition 42--3D Geometry--Sphere--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.

Spheres
Video Definition 43--3D Geometry--Square Pyramid Video Definition 43--3D Geometry--Square Pyramid Square Pyramid

Topic

3D Geometry

Definition

A square pyramid is a three-dimensional shape with a square base and four triangular faces that converge at a single point called the apex.

Description

Square pyramids are significant geometric shapes characterized by their square base and triangular faces that converge at an apex. They are used in various fields, including architecture, art, and archaeology, to create structures and monuments. In mathematics, square pyramids are important for understanding concepts of volume and surface area, with formulas like 

V = 1/3 × Base Area × Height

Pyramids
Video Definition 43--3D Geometry--Square Pyramid--Spanish Audio Video Definition 43--3D Geometry--Square Pyramid--Spanish Audio Video Definition 43--3D Geometry--Square Pyramid--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.

Pyramids
Video Definition 44--3D Geometry--Surface Area Video Definition 44--3D Geometry--Surface Area Surface Area

Topic

3D Geometry

Definition

Surface area is the total area covered by the surface of a three-dimensional object.

Surface Area
Video Definition 44--3D Geometry--Surface Area--Spanish Audio Video Definition 44--3D Geometry--Surface Area--Spanish Audio Video Definition 44--3D Geometry--Surface Area--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.

Surface Area
Video Definition 45--3D Geometry--Tetrahedron Video Definition 45--3D Geometry--Tetrahedron Tetrahedron

Topic

3D Geometry

Definition

A tetrahedron is a three-dimensional shape with four triangular faces.

3-Dimensional Figures
Video Definition 45--3D Geometry--Tetrahedron--Spanish Audio Video Definition 45--3D Geometry--Tetrahedron--Spanish Audio Video Definition 45--3D Geometry--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
Video Definition 46--3D Geometry--Triangular Prism Video Definition 46--3D Geometry--Triangular Prism Triangular Prism

Topic

3D Geometry

Definition

A triangular prism is a three-dimensional shape with two parallel triangular bases and three rectangular faces.

Description

Triangular prisms are important geometric shapes characterized by their two parallel triangular bases and three rectangular lateral faces. They are used in various fields, including architecture, engineering, and optics, to create structures and lenses. In mathematics, triangular prisms are essential for understanding concepts of volume and surface area, with formulas like 

V = Base Area × Height

Triangular Prisms
Video Definition 46--3D Geometry--Triangular Prism--Spanish Audio Video Definition 46--3D Geometry--Triangular Prism--Spanish Audio Video Definition 46--3D Geometry--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
Video Definition 47--3D Geometry--Triangular Pyramid Video Definition 47--3D Geometry--Triangular Pyramid Triangular Pyramid

Topic

3D Geometry

Definition

A triangular pyramid, also known as a tetrahedron, is a three-dimensional shape with a triangular base and three triangular faces that converge at a single point called the apex.

Description

Triangular pyramids, or tetrahedrons, are significant geometric shapes characterized by their triangular base and triangular faces that converge at an apex. They are used in various fields, including architecture, art, and molecular modeling, to create structures and models. In mathematics, triangular pyramids are important for understanding concepts of volume and surface area, with formulas like 

Pyramids
Video Definition 47--3D Geometry--Triangular Pyramid--Spanish Audio Video Definition 47--3D Geometry--Triangular Pyramid--Spanish Audio Video Definition 47--3D Geometry--Triangular Pyramid--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.

Pyramids
Video Definition 48--3D Geometry--Vertex Video Definition 48--3D Geometry--Vertex Vertex

Topic

3D Geometry

Definition

A vertex is a point where two or more edges meet in a geometric shape.

3-Dimensional Figures
Video Definition 48--3D Geometry--Vertex--Spanish Audio Video Definition 48--3D Geometry--Vertex--Spanish Audio Video Definition 48--3D Geometry--Vertex--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
Video Definition 49--3D Geometry--Vertical Cross-Section of a Cube Video Definition 49--3D Geometry--Vertical Cross-Section of a Cube Vertical Cross-Section of a Cube

Topic

3D Geometry

Definition

A vertical cross-section of a cube is the intersection of the cube with a vertical plane, resulting in a square.

3-Dimensional Figures
Video Definition 49--3D Geometry--Vertical Cross-Section of a Cube--Spanish Audio Video Definition 49--3D Geometry--Vertical Cross-Section of a Cube--Spanish Audio Video Definition 49--3D Geometry--Vertical Cross-Section of a Cube--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
Video Definition 5--3D Geometry--Cone Video Definition 5--3D Geometry--Cone Cone

Topic

3D Geometry

Definition

A cone is a three-dimensional geometric shape with a circular base and a single vertex, called the apex, not in the plane of the circle.

Description

Cones are prevalent in both natural and man-made structures, such as traffic cones and volcanoes. In mathematics, cones are studied for their properties, including surface area and volume. The volume V of a cone is given by the formula

V = 1/3 πr2h

Cones
Video Definition 5--3D Geometry--Cone--Spanish Audio Video Definition 5--3D Geometry--Cone--Spanish Audio Video Definition 5--3D Geometry--Cone--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.

Cones
Video Definition 50--3D Geometry--Vertical Cross-Section of a Dodecahedron Video Definition 50--3D Geometry--Vertical Cross-Section of a Dodecahedron Vertical Cross-Section of a Dodecahedron

Topic

3D Geometry

Definition

A vertical cross-section of a dodecahedron is the intersection of the dodecahedron with a vertical plane, resulting in a polygon.

3-Dimensional Figures
Video Definition 50--3D Geometry--Vertical Cross-Section of a Dodecahedron--Spanish Audio Video Definition 50--3D Geometry--Vertical Cross-Section of a Dodecahedron--Spanish Audio Video Definition 50--3D Geometry--Vertical Cross-Section of a Dodecahedron--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
Video Definition 51--3D Geometry--Vertical Cross-Section of a Sphere Video Definition 51--3D Geometry--Vertical Cross-Section of a Sphere Vertical Cross-Section of a Sphere

Topic

3D Geometry

Definition

A vertical cross-section of a sphere is the intersection of the sphere with a vertical plane, resulting in a circle.

3-Dimensional Figures
Video Definition 51--3D Geometry--Vertical Cross-Section of a Sphere--Spanish Audio Video Definition 51--3D Geometry--Vertical Cross-Section of a Sphere--Spanish Audio Video Definition 51--3D Geometry--Vertical Cross-Section of a Sphere--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
Video Definition 52--3D Geometry--Vertical Cross-Section of a Tetrahedron Video Definition 52--3D Geometry--Vertical Cross-Section of a Tetrahedron Vertical Cross-Section of a Tetrahedron

Topic

3D Geometry

Definition

A vertical cross-section of a tetrahedron is the intersection of the tetrahedron with a vertical plane, resulting in a triangle or another polygon.

3-Dimensional Figures
Video Definition 52--3D Geometry--Vertical Cross-Section of a Tetrahedron--Spanish Audio Video Definition 52--3D Geometry--Vertical Cross-Section of a Tetrahedron--Spanish Audio Video Definition 52--3D Geometry--Vertical Cross-Section of 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
Video Definition 53--3D Geometry--Vertical Cross-Section of an Antiprism Video Definition 53--3D Geometry--Vertical Cross-Section of an Antiprism Vertical Cross-Section of an Antiprism

Topic

3D Geometry

Definition

A vertical cross-section of an antiprism is the intersection of the antiprism with a vertical plane, resulting in a polygon.

3-Dimensional Figures
Video Definition 53--3D Geometry--Vertical Cross-Section of an Antiprism--Spanish Audio Video Definition 53--3D Geometry--Vertical Cross-Section of an Antiprism--Spanish Audio Video Definition 53--3D Geometry--Vertical Cross-Section of 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
Video Definition 54--3D Geometry--Vertical Cross-Section of an Icosahedron Video Definition 54--3D Geometry--Vertical Cross-Section of an Icosahedron Vertical Cross-Section of an Icosahedron

Topic

3D Geometry

Definition

A vertical cross-section of an icosahedron is the intersection of the icosahedron with a vertical plane, resulting in a polygon.

3-Dimensional Figures
Video Definition 54--3D Geometry--Vertical Cross-Section of an Icosahedron--Spanish Audio Video Definition 54--3D Geometry--Vertical Cross-Section of an Icosahedron--Spanish Audio Video Definition 54--3D Geometry--Vertical Cross-Section of 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
Video Definition 55--3D Geometry--Vertical Cross-Sections of a Cone Video Definition 55--3D Geometry--Vertical Cross-Sections of a Cone Vertical Cross-Sections of a Cone

Topic

3D Geometry

Definition

Vertical cross-sections of a cone are the intersections of the cone with vertical planes, resulting in shapes like triangles or parabolas.

Cones
Video Definition 55--3D Geometry--Vertical Cross-Sections of a Cone--Spanish Audio Video Definition 55--3D Geometry--Vertical Cross-Sections of a Cone--Spanish Audio Video Definition 55--3D Geometry--Vertical Cross-Sections of a Cone--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.

Cones
Video Definition 56--3D Geometry--Vertical Cross-Sections of a Cylinder Video Definition 56--3D Geometry--Vertical Cross-Sections of a Cylinder Vertical Cross-Sections of a Cylinder

Topic

3D Geometry

Definition

Vertical cross-sections of a cylinder are the intersections of the cylinder with vertical planes, resulting in rectangles or ellipses.

Cylinders