I hope to help students and future Math Teachers with a variety of Mathematics Topics by sharing methods and ideas that I used during my 40 year career. Feel free to request a Math topic (or a specific problem's solution) to be added to the blog!
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Tuesday, September 6, 2011
Why SUBTRACTION becomes ADDING opposites
At least once in an Algebra Class the students shouldsee the "WHY"
in 7-(-3) becoming 7+(+3)
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