A dispute over how to divvy up the pot in an interrupted game of chance led early mathematicians to invent modern risk ...

Officials say the new approach is returning promising results as the rates of students passing entry-level English and math ...

From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

Aldeman: Nationwide, states' high school graduation rates far exceed the percentage of their students who are proficient in ...