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Math Videos

 I spent a couple of years teaching at an online school – I made these videos during that time.  Feel free to use them in your class or just for inspiration!

Comparing, Adding & Subtracting Fractions

Cross Multiply and Smile (XD):  Method for Comparing, Adding, and Subtracting Fractions


The Butterfly:  Method for Comparing, Adding, and Subtracting Fractions


Solve Two-Step Equations by Backtracking


Greatest Common Factor

Find the G.C.F. using a Venn diagram:


Find the G.C.F. using the ladder method:


 G.C.F and L.C.M.

Find the G.C.F. and L.C.M. of two numbers using prime factorization and a Venn diagram:


Find the G.C.F. and L.C.M. of two numbers using prime factorization and a Venn diagram:

Find more middle school math videos on my Vimeo Page.

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