Math Video: Basic Algebra1.1 - App Store
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Official App Store Link
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Publisher 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
Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.
