Her students can, for the most part, understand the concepts she’s trying to teach. They can memorize and use the Pythagorean ...

As children learn basic arithmetic, they gradually switch from solving problems by counting on their fingers to pulling facts from memory. The shift comes more easily for some kids than for others, ...

Procedural fluency or conceptual understanding--math educators have debated for years which is more important. I sided with conceptual understanding until my colleague Angela McIver helped me see the ...