Number Blindness: A Hidden Challenge for Mathematics

Educators often worry that some students just don’t “get” math. In truth, some fundamental difficulties with math may be indicators of mild dyscalculia, or “number blindness.” It’s hard to imagine an aspect of daily life that is not touched by numerical ideas: telephone numbers, street addresses, radio stations, bus schedules, currency, and time all depend…

A Conversation With Brian Butterworth

A cheerful English voice, crisp and elegant, asked her the question again. “How many coins do you have there, Signora?” Signora Gaddi stared at the coins in her hand for a long time, and then looked up to smile apologetically at the doctor. It was a soft smile, warm, but tenuous and sad. The corners…