In an ever-changing world, education must adapt to prepare children for the challenges of the 21st century. In a society where calculators and digital technologies are ubiquitous, mathematics ...

The abacus predates the alphabet and the invention of glass, but its use can help modern day students increase their math proficiency and understanding. Ulrich Boser, the author of Learn Better, ...

When I was a kid learning arithmetic the only visual aid I remember is flash cards. These were useful for memorizing single-digit addition and multiplication, but is memorization really the best ...

The 4,000 year old abacus might be ancient technology, but it can serve as a teaching tool for modern students. When operating the device, one learns decomposition — a way to think about pairs of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. To teach children basic arithmetic, ...