Logic — the Art of Reasoning

Mathematics — the Art of Studying Patterns and Relationships Using Logic

Arithmetic

Subtraction Without Borrowing

Graphic Methods for Finding Numbers without Any Calculation (using drawing Instead)

Finding the Greatest Common Factor (GCF)

Finding the Least Common Multiple (LCM)
 

Fraction Operations is Easy and Simple with the Grid Method

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Last Update: Sep. 1, 2008