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.

This is a growing collection of resources, so keep coming back!

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Video Library

Number of Resources: 1311
Title Sort descending Thumbnail Image Description

Closed Captioned Video: Algebra Applications: Inequalities

Closed Captioned Video: Algebra Applications: Inequalities

Closed Captioned Video: Algebra Applications: Inequalities

In this episode of Algebra Applications, two real-world explorations of inequalities are developed. Hybrid Cars.

Closed Captioned Video: Algebra Applications: Inequalities, 1

Closed Captioned Video: Algebra Applications: Inequalities, Segment 1: Hybrid Cars

Closed Captioned Video: Algebra Applications: Inequalities, Segment 1: Hybrid Cars

With the increasing demand worldwide for cars, the cost of gasoline continues to rise. The need for fuel-efficient cars makes hybrids a current favorite.

Closed Captioned Video: Algebra Applications: Inequalities, 2

Closed Captioned Video: Algebra Applications: Inequalities, Segment 2: Floods in Venice

Closed Captioned Video: Algebra Applications: Inequalities, Segment 2: Floods in Venice

The city of Venice is slowly sinking into the Adriatic Sea. So what does a city whose streets are full of water do about flooding?

Closed Captioned Video: Algebra Applications: Linear Functions

Closed Captioned Video: Algebra Applications: Linear Functions

Closed Captioned Video: Algebra Applications: Linear Functions

Closed Captioned Video: Algebra Applications: Linear Functions, 1

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 1: Introduction

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 1: Introduction

Closed Captioned Video: Algebra Applications: Linear Functions, 3

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 3: Oil Exploration

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 3: Oil Exploration

Closed Captioned Video: Algebra Applications: Linear Functions, 4

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 4: Exercise

Closed Captioned Video: Algebra Applications: Linear Functions, Segment 4: Exercise

Closed Captioned Video: Algebra Applications: Logarithmic Functions

Closed Captioned Video: Algebra Applications: Logarithmic Functions

Closed Captioned Video: Algebra Applications: Logarithmic Functions

In this episode of Algebra Applications, students explore various scenarios that can be explained through the use of logarithmic functions. Such disparate phenomena as hearing loss and tsunamis can be explained through logarithmic models.

Closed Captioned Video: Algebra Applications: Logarithmic Functions, 1

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 1: What Are Logarithms?

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 1: What Are Logarithms?

The mathematical definition of a logarithm is the inverse of an exponential function, but why do we need to use logarithms?

Closed Captioned Video: Algebra Applications: Logarithmic Functions, 2

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 2: Hearing Loss

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 2: Hearing Loss

We live in a noisy world. In fact, prolonged exposure to noise can cause hearing loss. Students analyze the noise level at a rock concert and determine the ideal distance where the noise level is out of the harmful range.

Closed Captioned Video: Algebra Applications: Logarithmic Functions, 3

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 3: Tsunamis

Closed Captioned Video: Algebra Applications: Logarithmic Functions, Segment 3: Tsunamis

In 1998 a devastating tsunami was triggered by a 7.0 magnitude earthquake off the coast of New Guinea. The amount of energy from this earthquake was equivalent to a thermonuclear explosion. Students analyze the energy outputs for different magnitude earthquakes.

Closed Captioned Video: Algebra Applications: Quadratic Functions

Closed Captioned Video: Algebra Applications: Quadratic Functions

Closed Captioned Video: Algebra Applications: Quadratic Functions

In this episode of Algebra Applications, three real-world explorations of quadratic functions are developed: Pyrotechnics. Fireworks displays are elegant examples of quadratic functions. Forensics.

Closed Captioned Video: Algebra Applications: Quadratic Functions, 1

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 1: Introduction

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 1: Introduction

An overview of the key topics to be covered in the video.

Closed Captioned Video: Algebra Applications: Quadratic Functions, 2

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 2: Pyrotechnics

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 2: Pyrotechnics

Fireworks displays are elegant examples of quadratic function. In this segment the basics of quadratic functions in standard form are developed visually and students are guided through the planning of a fireworks display.

Closed Captioned Video: Algebra Applications: Quadratic Functions, 4

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 4: Medicine

Closed Captioned Video: Algebra Applications: Quadratic Functions, Segment 4: Medicine

From the time a baby is born to the time it reaches 36 months of age, there is dramatic growth in height and weight. An analysis of CDC data reveals a number of quadratic models that doctors can use to monitor the growth and development of children.

Closed Captioned Video: Algebra Applications: Rational Functions

Closed Captioned Video: Algebra Applications: Rational Functions

Closed Captioned Video: Algebra Applications: Rational Functions

In this episode of Algebra Applications, students explore various scenarios that can be explained through the use of rational functions. Such disparate phenomena as submarines, photography, and the appearance of certain organisms can be explained through rational function models.

Closed Captioned Video: Algebra Applications: Rational Functions, 1

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 1: Submarines

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 1: Submarines

In spite of their massive size, submarines are precision instruments. A submarine must withstand large amounts of water pressure; otherwise, a serious breach can occur. Rational functions are used to study the relationship between water pressure and volume.

Closed Captioned Video: Algebra Applications: Rational Functions, 2

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 2: Biology

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 2: Biology

All living things take up a certain amount of space, and therefore have volume. They also have a certain amount of surface area. The ratio of surface area to volume, which is a rational function, reveals important information about the organism.

Closed Captioned Video: Algebra Applications: Rational Functions, 3

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 3: Hubble Telescope

Closed Captioned Video: Algebra Applications: Rational Functions, Segment 3: Hubble Telescope

The Hubble Telescope has transformed how we view the universe. We learn about the lens formula and how it is used in the construction of telescopes.

Closed Captioned Video: Algebra Applications: Systems of Equations

Closed Captioned Video: Algebra Applications: Systems of Equations

Closed Captioned Video: Algebra Applications: Systems of Equations

In this episode of Algebra Applications, students explore various scenarios that can be explained through the use of systems of equations. Such disparate phenomena as profit and loss, secret codes, and ballistic missile shields can be explored through systems of equations.

Closed Captioned Video: Algebra Applications: Systems of Equations, 1

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 1: Profit and Loss

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 1: Profit and Loss

Profit and loss are the key measures in a business. A system of equations that includes an equation for income and one for expenses can be used to determine profit and loss. Students solve a system graphically.

Closed Captioned Video: Algebra Applications: Systems of Equations, 2

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 2: Encryption

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 2: Encryption

Secret codes and encryption are ideal examples of a system of equations. In this activity, students encrypt and decrypt a message.

Closed Captioned Video: Algebra Applications: Systems of Equations, 3

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 3: Ballistic Missiles

Closed Captioned Video: Algebra Applications: Systems of Equations, Segment 3: Ballistic Missiles

A ballistic missile shield allows you to shoot incoming missiles out of the sky. Mathematically, this is an example of a linear-quadratic system. Students graph such a system and find the points of intersection between a line and a parabola.

Closed Captioned Video: Algebra Applications: Variables and Equations

Closed Captioned Video: Algebra Applications: Variables and Equations

Closed Captioned Video: Algebra Applications: Variables and Equations

In this episode of Algebra Applications, two real-world explorations are developed: Biology. Analyzing statistics from honey bee production allows for a mathematical analysis of the so-called Colony Collapse Disorder. Geology.

Closed Captioned Video: Algebra Applications: Variables and Equations, 1

Closed Captioned Video: Algebra Applications: Variables and Equations, Segment 1: Introduction

Closed Captioned Video: Algebra Applications: Variables and Equations, Segment 1: Introduction

An overview of the key topics to be covered in the video.