IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a book by Heinrich Dorrie, ...

When you think back on elementary school math, do you have fond memories of the countless worksheets you completed on adding fractions or solving division problems? Probably not. Researchers and ...

At dinner tables across Florida, parents and their elementary school children are trying to solve a math problem: What’s going on with my kid’s homework? Florida is one of dozens of states that has ...