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 ...

XtraMath helps kids gain fluency in addition, subtraction, multiplication, and division. The program is conceptually similar to flash cards. Credit: Ian Moore / mashable As COVID-19 was spreading last ...

News, Reviews, Release Date, Trailers, Gameplay and more for Multiplication Flash Cards Games Fun Math Problems ...

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 ...