Barasch: Teachers and school leaders need to stop resisting new approaches to math that can help students master the subject.

Mehtaab Sawhney, who joined Columbia last year, enjoys the thorny work of proving a seemingly straightforward statement of ...

Bringing elementary students outside for math lessons provides a welcome change of pace and a chance for new activities.

The best method that we have for defining color is by using math. Specifically, mind-boggling mathematical models called ...

For example, the arithmetic mean of the numbers 4 and 9 is found by adding 4 and 9 and then dividing by 2 (the quantity of numbers). The arithmetic mean in this example is 6.5. A = 4+9/2 ...