## Media4Math's Video Tutorial 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.

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

Title Thumbnail Image Curriculum Topics
Video Tutorial: Rates from Data

Video Tutorial: Rates from Data. In this video we look at linear data sets that can be used to find the rate of change. Ratios and Rates
Video Tutorial: Rational Numbers and Absolute Value

Video Tutorial: Rational Numbers and Absolute Value. In this video students continue their exploration of rational numbers by investigating absolute value. Rational Expressions
Video Tutorial: Rational Numbers and Exponents

Video Tutorial: Rational Numbers and Exponents. In this video students explore the use of rational numbers as exponents with different expressions. Rational Expressions
Video Tutorial: Rational Numbers and Irrational Numbers

Video Tutorial: Rational Numbers and Irrational Numbers. In this video students learn to distinguish rational numbers from irrational numbers. Rational Expressions
Video Tutorial: Rational Numbers on a Number Line

Video Tutorial: Rational Numbers on a Number Line. In this video students explore rational numbers on a number line. Rational Expressions
Video Tutorial: Rational Numbers on the Cartesian Coordinate System

Video Tutorial: Rational Numbers on the Cartesian Coordinate System. In this video students learn to graph rational-number-based coordinates on a Cartesian Coordinate plane. Rational Expressions
Video Tutorial: Ratios and Fractions

Video Tutorial: Ratios and Fractions. In this video look at at the similarities and differences between ratios and fractions. We also show how to derive fractional relationships from ratios. Ratios and Rates
Video Tutorial: Ratios and Proportions

Video Tutorial: Ratios and Proportions. In this video we solve proportion problems using equivalent ratios. Ratios and Rates
Video Tutorial: Ratios as Decimals

Video Tutorial: Ratios and Decimals. In this video explore ratios whose terms are decimals. Students are shown techniques for simplifying these types of ratios in ;the context of solving real-world ratio problems. Ratios and Rates
Video Tutorial: Ratios with Three Items

Video Tutorial: Ratios with Three Items. In this video look at ratios of the form a:b:c. Analyze pairs of ratios and see how they can be combined into one ratio. Ratios and Rates
Video Tutorial: Ratios, Proportions, and Percents

Video Tutorial: Ratios and Percents. In this video see the relationship between ratios, proportions, and percents. A percent formula is derived and used to solve several real-world percent problems. Ratios and Rates
Video Tutorial: Scale Drawings

Video Tutorial: Scale Drawings. In this video we look at the properties of similar figures and use proportions to find lengths of corresponding sides. Ratios and Rates
Video Tutorial: Simple Interest

Video Tutorial: Simple Interest. In this video we look at simple interest in the context of using percent to make calculations. A formula for calculating simple interest is shown and used to solve several real-world problems. Percents
Video Tutorial: Simplifying Variable Expressions Using Algebra Tiles

Video Tutorial: Simplifying Variable Expressions Using Algebra Tiles. In this tutorial, review the basic definition of what algebra tiles are and how they are used. Then the video focuses on how to simplify variable expressions using algebra tiles. Algebra Tiles--Expressions and Equations
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant I

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant I. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant I. Slope
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant II

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant II. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant II. Slope
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant III

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant III. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant III. Slope
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant IV

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrant IV. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant IV. Slope
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrants I and II

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrants I and II. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant I and Quadrant II. Slope
Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrants III and IV

Video Tutorial: Slope Formula--Negative Slope, Coordinates in Quadrants III and IV. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant III and Quadrant IV. Slope
Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant I

Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant I. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant I. Slope
Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant II

Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant II. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant II. Slope
Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant III

Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant III. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant III. Slope
Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant IV

Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrant IV. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant IV. Slope
Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrants I and II

Video Tutorial: Slope Formula--Positive Slope, Coordinates in Quadrants I and II. In this tutorial learn about the slope formula in general and then see an application of it with two points in Quadrant I and Quadrant II. Slope