When we learn something new, that information does not exist in isolation. It integrates into the complex landscape of our knowledge, forging connections with existing ideas and opening up ...

How much of your school math do you actually remember?This quiz follows the structure of real classroom progression. It ...

Every December 8 for years, Julia Robinson blew out the candles on her birthday cake and made the same wish: that someday she would know the answer to Hilbert’s 10th problem. Though she worked on the ...

After 15 years of inquiry into children’s understanding and learning of whole numbers, I can sum up what I have learned very simply. To teach math, you need to know three things. You need to know ...

Whether you're cooking up chemistry, getting physical with physics or bending your mind over mathematics, one thing that remains constant is, well, constants. Some numbers are so fundamental to the ...