A beloved math teacher was found dead inside an elementary school. Baltimore City Public Schools said in a statement that Deborah Tolson, a 75-year-old math interventionist, was discovered at Arundel ...

Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

A 75-year-old Maryland math teacher who died over the weekend was discovered inside her Baltimore elementary school, with police saying there were no signs of foul play.

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...