From counting sheep to cows jumping over the moon, bedtime is full of math traditions and opportunities to use math talk. Try ...

U.S. Army Pfc. Oscar Gamboa, right, with the 593rd Sustainment Brigade's 13th Combat Sustainment Support Battalion, solves a math problem during a Basic Skills Education Program class at the David L.

I love the story of Carl Friedrich Gauss—who, as an elementary student in the late 1700s, amazed his teacher with how quickly he found the sum of the integers from 1 to 100 to be 5,050. Gauss ...