This story is part of a series from the Education Reporting Collaborative in partnership with AL.com. For much of her teaching career, Carrie Stark relied on math games to engage her students, ...

Margie Howells said that she turned to the science of math after wondering why there weren't as many resources for dyscalculia as there were for dyslexia. Credit: AP Photo/Gene J. Puskar The Hechinger ...