For nearly an hour, no one speaks a word of English in this first-grade math class. Not the teacher, Ying Ying Wu, who talks energetically in Mandarin’s songlike tones. Not the students — 6- and ...

Concepts covered in this course include: standard functions and their graphs, limits, continuity, tangents, derivatives, the definite integral, and the fundamental theorem of calculus. Formulas for ...

With the return to school comes a return to students sitting at their desks for hours every day—and teachers’ subsequent challenge of managing those fidgeting students. There has been considerable ...