We know the struggle with mathematics—for both teachers and students—all too well. Students’ math scores, as per the “Nation’s Report Card,” have plunged to record lows. Misconceptions in early grades ...

Proportional reasoning failures seem to constitute most errors in probabilistic reasoning, yet there is little empirical evidence about its role for attaining probabilistic knowledge and how to ...

Imagine a classroom full of bright young students, all striving to do their best on a high school math test. They sit, heads slightly bowed, pencils ready, each one thinking about how to tackle each ...