Number theorists are always looking for hidden structure. And when confronted by a numerical pattern that seems unavoidable, they test its mettle, trying hard—and often failing—to devise situations in ...

Fractions knowledge by grade 5 uniquely predicts success in higher mathematics. Yet, assessments show that too many students struggle with this critical foundational math skill from grade 3 onward.

ABC News' Gio Benitez looks at the math question driving the Internet crazy. — -- A math problem from Singapore has gone viral and is driving the Internet crazy. The question everyone wants to ...

The average eighth grader is now three years below grade level in math. How can they do algebra if they’re struggling to divide fractions? Credit: Jill Brady/Portland Portland Press Herald via Getty ...