Collaboration can’t just be assigned—it needs to be nurtured, and students can learn to assess their progress in building ...

Add Yahoo as a preferred source to see more of our stories on Google. Michael and Diane discuss why America’s approach to math class isn’t adding up. They analyze the outcomes produced under the ...

The original version of this story appeared in Quanta Magazine. Mathematics started with numbers—clear, concrete, intuitive. Over the last two centuries, however, it has become a far more abstract ...