Math Video: Basic Algebra1.1

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

Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.