For thousands of years, philosophers have pondered cardinality: knowing “how many.” Using a series of crude estimates, the ancient Greek mathematician Archimedes worked out the approximate number of ...

While literacy is often seen as a cornerstone to scholastic achievement, and many parents devote a lot of time and energy into nurturing their small child’s love of reading, studies show that ...

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 ...