In DeKalb County, Ala., elementary school math classes have gotten noisy. In a good way. Instead of worksheets and textbooks, children practice adding and subtracting with tiny toy bears. They ...

In new research, mathematicians have narrowed down one of the biggest outstanding problems in math. Huge breakthroughs in math and science are usually the work of many people over many years. Seven ...

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Students in Years 1 and 2, the equivalent of kindergarten and first grade in the U.S., prepare for a math lesson at St. Clair School in Dunedin, New Zealand. Credit: Becki Moss for The Hechinger ...