Content Showcase: Video Library

 

 

Media4Math's Video Library is a collection of videos on key topics in pre-algebra and algebra. Each video includes several worked-out examples that clearly explain the key concept. All videos include real-world applications of math.

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Total number of resources: 91
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VIDEO: Geometry Applications: Triangles, 3

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

Applications of Triangles and Definition of a Triangle

VIDEO: Geometry Applications: Triangles, 2

VIDEO: Geometry Applications: Triangles, Segment 2: Triangles 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.

Applications of Triangles

VIDEO: Geometry Applications: Triangles, 1

VIDEO: Geometry Applications: Triangles, Segment 1: Introduction 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

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.

Definition of a Triangle and Applications of Triangles

VIDEO: Geometry Applications: Transformations, 3

VIDEO: Geometry Applications: Transformations, Segment 3: Rotations, Reflections, and Symmetry. VIDEO: Geometry Applications: Transformations, Segment 3: Rotations, Reflections, and Symmetry.

The Gemini telescope in Hawaii is an example of architecture that moves. All observatories rotate in order to follow objects in the sky. This also provides an opportunity to explore rotations, reflections, and symmetry.

Applications of Transformations and Definition of Transformations

VIDEO: Geometry Applications: Transformations, 2

VIDEO: Geometry Applications: Transformations, Segment 2: 3D Translations. VIDEO: Geometry Applications: Transformations, Segment 2: 3D Translations.

Cargo ships transport tons of merchandise from one country to another and accounts for most of the global economy. Loading and unloading these ships requires a great deal of organization and provides an ideal example of three-dimensional translations.

Applications of Transformations and Definition of Transformations

VIDEO: Geometry Applications: Transformations, 1

VIDEO: Geometry Applications: Transformations, Segment 1: Translations and Rotations. VIDEO: Geometry Applications: Transformations, Segment 1: Translations and Rotations.

Roller coasters provide an ideal opportunity to explore translations and rotations. Displacement vectors are also introduced.

Applications of Transformations and Definition of Transformations

VIDEO: Geometry Applications: Transformations

VIDEO: Geometry Applications: Transformations VIDEO: Geometry Applications: Transformations

In this program we look at applications of transformations. We do this in the context of three real-world applications. In the first, we look at translations and rotations in the context of roller coaster rides.

Applications of Transformations and Definition of Transformations

VIDEO: Geometry Applications: Quadrilaterals, 3

VIDEO: Geometry Applications: Quadrilaterals, Segment 3: Parallelograms and Trapezoids VIDEO: Geometry Applications: Quadrilaterals, Segment 3: Parallelograms and Trapezoids

The Puerta de Europa towers in Madrid bring parallelograms front and center. These tilted towers, looking like modern-day towers of Pisa seem to defy gravity, but rely on the stability brought about by its quadrilateral structure.

Applications of Quadrilaterals

VIDEO: Geometry Applications: Quadrilaterals, 2

VIDEO: Geometry Applications: Quadrilaterals, Segment 2: Squares and Rectangles VIDEO: Geometry Applications: Quadrilaterals, Segment 2: Squares and Rectangles

Frank Lloyd Wright’s architectural masterpiece Falling Water is also a stunning assembly of quadrilateral shapes.

Applications of Quadrilaterals

VIDEO: Geometry Applications: Quadrilaterals, 1

VIDEO: Geometry Applications: Quadrilaterals, Segment 1: Introduction VIDEO: Geometry Applications: Quadrilaterals, Segment 1: Introduction

Stonehenge is best known as a circular structure. But it’s the post and lintel construction used that is noteworthy, and this type of construction involves quadrilateral shapes.

Applications of Quadrilaterals

VIDEO: Geometry Applications: Quadrilaterals

VIDEO: Geometry Applications: Quadrilaterals VIDEO: Geometry Applications: Quadrilaterals

In this program we explore the properties of quadrilaterals. We do this in the context of two real-world applications. In the first, we explore the architecture of Frank Lloyd Wright as an application of squares and rectangles; in particular, we look at his Fallingwater house.

Applications of Quadrilaterals

VIDEO: Geometry Applications: Polygons, 3

VIDEO: Geometry Applications: Polygons, Segment 3: Composite Figures VIDEO: Geometry Applications: Polygons, Segment 3: Composite Figures

The Petronas Towers in Indonesia provide an opportunity to explore the composite shapes used in the design of the towers.

Applications of Polygons and Definition of a Polygon

VIDEO: Geometry Applications: Polygons, 2

VIDEO: Geometry Applications: Polygons, Segment 2: Properties of Polygons VIDEO: Geometry Applications: Polygons, Segment 2: Properties of Polygons

In the ancient city of Marrakesh polygons are on display.

Applications of Polygons and Definition of a Polygon

VIDEO: Geometry Applications: Polygons, 1

VIDEO: Geometry Applications: Polygons, Segment 1: Introduction VIDEO: Geometry Applications: Polygons, Segment 1: Introduction

The Pentagon is one of the most famous polygon-shaped buildings in the world. But why was this shape chosen over a more straightforward quadrilateral shape? We briefly explore the properties of pentagons and use this as a way of introducing the key concepts throughout the program.

Applications of Polygons and Definition of a Polygon

VIDEO: Geometry Applications: Polygons

VIDEO: Geometry Applications: Polygons VIDEO: Geometry Applications: Polygons

In this program we explore the properties of polygons. We do this in the context of two real-world applications. In the first, we look at Islamic tile patterns as examples of regular polygons. We explore how such intricate patterns were created using a compass and straight edge.

Applications of Polygons

VIDEO: Geometry Applications: Points and Lines, 3

VIDEO: Geometry Applications: Points and Lines, Segment 3: Lines VIDEO: Geometry Applications: Points and Lines, Segment 3: Lines

Many cities are laid out in a rectangular grid and are examples of intersecting lines and rays. We visit the city of Houston to investigate the geometric nature of the city grid in its downtown area.

Applications of Points and Lines, Definition of a Line and Definition of a Point

VIDEO: Geometry Applications: Points and Lines, 2

VIDEO: Geometry Applications: Points and Lines, Segment 2: Points VIDEO: Geometry Applications: Points and Lines, Segment 2: Points

Geometric objects are abstractions that seem to have a connection to real world objects.

Applications of Points and Lines, Definition of a Line and Definition of a Point

VIDEO: Geometry Applications: Points and Lines, 1

VIDEO: Geometry Applications: Points and Lines, Segment 1: Introduction VIDEO: Geometry Applications: Points and Lines, Segment 1: Introduction

Our understanding of geometry owes much to the ancient Greeks. We visit the ancient Acropolis and explore some of its geometric secrets.

Applications of Points and Lines, Definition of a Line and Definition of a Point

VIDEO: Geometry Applications: Points and Lines

VIDEO: Geometry Applications: Points and Lines VIDEO: Geometry Applications: Points and Lines

In this program we explore the properties of points and lines. We do this in the context of two real-world applications. In the first, we go to CERN and learn about the Large Hadron Collidor. We look at how points can represent particle positions in space and look at properties of points and lines.

Applications of Points and Lines, Definition of a Line and Definition of a Point