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 ...

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 ...

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Stanford University’s Jo Boaler says teachers and parents should stop using math flash cards, stop drilling kids in addition and multiplication and especially stop forcing students to do calculations ...