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Elections are all about numbers, sometimes hinging on miniscule percentage-point differences in turnouts. Math teacher Alison Strole’s middle school students know this better than your average ...

The new question-of-the-week is: What has been the best math lesson you have taught and why do you think it was so good? We’ve all taught some great lessons and we’ve also all taught some pretty bad ...

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 ...