# Pre Algebra

This section is designed to teach everyone math basics. Many of the topics covered in this section will prepare you for algebra and will set the foundation for future math subjects. Be sure to watch each video and do the practice problems to ensure you completely understand the concepts.

## Factorials

Usually written n! we explore easy tricks to solve these complicated problems.

## GCD

Find the largest number that is divisible in a set of numbers.

## LCM

Find the lowest number that can be divided into a set of numbers.

## Mean, Median, Mode

Learn how to find the average, the middle number and most common numbers for any given set of numbers.

## Percentages

You use percentages in every day life. We cover some useful tricks to solve these types of questions easily.