Sal of Khan Academy offers an overview of all of the videos in the Khan Academy [...]

# Math Videos

## Inequalities Using Addition and Subtraction

Sal of Khan Academy explains how to understand inequalities using addition and subtraction. Get some great [...]

## Subtracting Mixed Numbers Word Problem

Sal of Khan Academy explains how to simplify word problems to the basic numerical question. Get [...]

## More on Unit Vector Notation

Sal from Khan Academy reveals that adding the x and y components of two vectors is [...]

## Addition and Subtraction with Significant Figures

Sal from Khan academy explains how to add and subtract with the right level of precision [...]

## Complex Numbers

Sal from Khan Academy offers an introduction to complex numbers and the imaginary i. Learn how [...]

## Adding and Subtracting Polynomials 3

Sal from Khan Academy tackles more difficult examples of adding and subtracting polynomials. This more challenging [...]

## Decimal Place Value

Sal from Khan Academy explains how to find the place value of a digit within a [...]

## Partial Fraction Expansion 3

Sal of Khan Academy covers more partial fraction expansion problems to show you another type of [...]

## Adding Fractions with Like Denominators

Sal of Khan Academy demonstrates how to add fractions that have the same denominator. After his [...]