KQED News Mind/Shift – Katrina Schwartz 
Fractions are a notoriously tricky part of elementary math education for many children. Too often teachers struggle to ensure students are grasping the conceptual underpinnings of this complicated topic, resorting to “tricks” that will help them learn the procedures of adding or multiplying instead. This is particularly troubling because studies have shown that students’ knowledge of sixth grade fractions is a good predictor of their math achievement in high school. This is largely because a deep understanding of fractions plays out in algebra.(more)