COLUMBIA, S.C. — If your child's math homework has you scratching your head confused, you're not alone. Parents who grew up in the '80s, and '90s learned basic formulas, such as long division to solve ...

Millions of high school and college algebra students are united in a shared agony over solving for x and y, and for those to whom the answers don't come easily, it gets worse: Most preschoolers and ...