We've all heard a version of the expression "Create new ways of doing things, but don't reinvent the wheel."
Clearly, the folks behind Common Core didn't take that little pearl of wisdom to heart, and tried to reinvent freaking subtraction.
And here's how one Math and Internet savvy dad responded.
http://shine.yahoo.com/healthy-living/c ... 41158.html
Clearly, the folks behind Common Core didn't take that little pearl of wisdom to heart, and tried to reinvent freaking subtraction.
And here's how one Math and Internet savvy dad responded.
http://shine.yahoo.com/healthy-living/c ... 41158.html