Showing category "Math" (Show all posts)

Solving Inequalities

Posted by Patcharin Sinthunavarat on Monday, May 27, 2013, In : Math 

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G7 - 8.6 Slope Intercept Form

Posted by Patcharin Sinthunavarat on Wednesday, May 22, 2013, In : Math 
Slope Intercept Form


Converting to Slope-Intercept Form and Graphing 





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G7 - 8.10 Graphing Linear Inequalities

Posted by Patcharin Sinthunavarat on Wednesday, May 22, 2013, In : Math 

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G7 - 8.9 Solving Systems of Equations

Posted by Patcharin Sinthunavarat on Wednesday, May 22, 2013, In : Math 

 


 Solving Systems by Graphing
 


Solving Systems by Substitution

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Percent of Change

Posted by on Saturday, March 9, 2013, In : Math 

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Solving Equations with Grouping Symbols

Posted by on Saturday, March 9, 2013, In : Math 

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Solving Equations With Variables on Both Sides

Posted by on Saturday, March 9, 2013, In : Math 

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Pythagoras' Theorem

Posted by Patcharin Sinthunavarat on Tuesday, March 27, 2012, In : Math 
Pythagoras

Pythagoras' Theorem

Years ago, a man named Pythagoras found an amazing fact about triangles:

If the triangle had a right angle (90°) ...

... and you made a square on each of the three sides, then ...

... the biggest square had the exact same area as the other two
squares put together!

Pythagoras It is called "P...

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Square Root

Posted by Patcharin Sinthunavarat on Saturday, March 24, 2012, In : Math 
 

Squares and Square Roots

First learn about Squares, then Square Roots are easy.

How to Square A Number

To square a number, just multiply it by itself ...

Example: What is 3 squared?

3 Squared = = 3 × 3 = 9







 

 


"Squared" is often written as a little 2 like this:

square root of 9 is 3
This says "4 Squared equals 16"
(the little 2 says the number appears twice in multiplying)


Squares From 12 to 62

...
1 Squared = 12 = 1 × 1 = 1
2 Squared = 22 =

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