Instagram user Erin shared videos of her three-year-old son, Declan, solving large math problems that have caught the attention of thousands online. In one clip, Declan works through the addition ...

Source: Ratz Attila, Dreamstime, free download. I've long been interested in the numerical competency of nonhuman animals (animals) and whether they can count in their own specific ways. 1 It turns ...

In math, Algebra 1 is a make-or-break course. The class is the gateway to high school math, and struggling to complete it can close off those higher-level pathways—and even jeopardize students’ ...