Back when I was in fifth or sixth grade and learning decimals, I was questioning why they were important. Fractions were useful. But decimals were just a useless alternative to fractions, I thought.

Narrator: You might go to a foreign land and look around and think, oh dear, everything is so very different. Do I have anything in common with this place? Or the people? But give it a few minutes and ...

There’s really no such number as “point three seven five.” Yet that’s how a lot of students say .375, and a big reason for this is that’s how a lot of teachers say it--including me until I realized ...

Child Development, Vol. 87, No. 1, SPECIAL SECTION: Epigenetics, Child Behavior and Development: Unraveling the Gene-Environment Interaction (JANUARY/FEBRUARY 2016), pp. 154-164 (11 pages) The ...