Kayla Thuemler, a first grade teacher in Milwaukee, shows other teachers how she solved a subtraction problem during a professional development session on math teaching. Credit: Abby J. McFarland for ...
For the last 25 years, my professional life has been devoted to teaching math. I’ve taught math to students in grades 6–8 as well as high school geometry, and I have loved every moment of it. For the ...
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