https://doi.org/10.5951/mathteacmiddscho.22.3.0152 • https://www.jstor.org/stable/10.5951/mathteacmiddscho.22.3.0152 Copy URL Common Core State Standards Initiative ...
The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...
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