• retrieved M, 10/20/14: Butterfly Fractions = "Adding and Subtracting Fractions with the Butterfly Method"

• Butterfly method for adding and subtracting fractions. Cause Momma needs help with the 4th grade math.....

• Butterfly method for adding and subtracting fractions - cute, as long as they understand WHY it works

• Butterfly method for adding and subtracting fractions. seriously why all of a sudden do teachers feel the need to make stuff more complicated then they need to be?!?! this is stupid!

• (Math- fractions) Butterfly method for adding and subtracting fractions

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