IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the 1950s, particularly after ...

From the 1950s, particularly after the launch of the Sputnik satellite in 1958, American mathematicians and mathematics educators introduced a variety of reforms in mathematics teaching dubbed “The ...

I've been teaching second and third-graders mathematical problem solving for six years. In that time, I've learned that kids are more apt to enjoy math if they already have a strong foundation. Kids ...