# Math Video: Basic Algebra

## By Wei Chong

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#### Description

This math video app provides a quick and simple way for you to learn and understand the basics for algebra. All of the 7 computer animated videos are stored in your device. So, no internet connection required to play. These math videos are: Introduction to algebra, Combining like terms, Simplifying expressions: adding like terms, Simplifying expression: removing brackets , Evaluating expressions, Basics on solving linear equations and Examples on solving linear equations. Each of these videos is divided into several different parts that you can easily skipped to. More details below:

Introduction to Algebra

•Introduction

•The purpose of algebra

•More on the purpose of algebra

•Represent the 'numbers' as x

•Using different alphabets to represent variables

Combining Like Terms

•Introduction

•Basics: An example on combining like terms

•Basics: Another example on combining like terms

•Example on combing the terms in x+x+y+y

•More examples on identifying like terms

Simplifying Expressions: Adding Like Terms

•Introduction: Simplifying expressions by adding like terms

•Basics: An example on simplifying expressions

•Example 1: Simplifying 7u+q-5u+4q

•Example 2: Simplifying 7u+3v^2-2u+5v^2

•Example 2: Simplify after arranging the like terms together

Simplifying Expression: Removing Brackets

•Introduction: Simplifying expressions by removing brackets

•Basics: Using 3(2x) as an example

•Basics: Using 2(x+1) as an examples

•Example 1: Simplify 2(3a)-2(4a-3b)

•Example 2: Simplify 3x+2(x+4)-(2x-3)

Evaluating Expressions

•Introduction

•Example 1: Evaluate 2p+2 when p=3

•Example 2: Evaluate 4p+3r when p=3 and r=-2

•Example 3: Evaluate p^3-2r^2-2 when p=3 and r=-2

•Example 4: Evaluate r^2-2pr when p=3 and r=-2

Basics on Solving Linear Equations

•The basic ideas in solving x+5=8

•A shortcut in solving x+5=8

•The basic ideas & shortcut in solving x-2=8

•The basic ideas & shortcut in solving 3x=9

•The basic ideas & shortcut in solving x/7=2

Examples on Solving Linear Equations

•Introduction

•Example 1: Solve 2x-1=5+4x

•Example 2: Solve 2(2x-1)=2x+8

•Example 3: Solve 2(x+1)=5-3(x-1)

•Example 4: Solve x/4+2=x-1

#### What's New in Version 1.1

Updated the app to support iPhone 5's new screen size.

Fixed the issue where the video screen is not displayed properly for iPad with iOS 6.

- USD 0.99
- Category: Education
- Updated: 21 November 2012
- Version: 1.1
- Size: 35.3 MB
- Language: English
- Developer: Ng Wei Chong
- © Ng Wei Chong

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.