**pre-reqs:** *none* I know who you are. I have seen you before and talked to you before. You are taking introductory physics and you are scared. Why does this have to be so difficult? It seems like ...

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

Any of us who have ever been in a math classroom know that too many kids lack fundamental arithmetic skills. It is extraordinarily difficult to teach students more advanced skills when their ability ...

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 ...