Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...

Last December, several members of a national organization for math education leaders came together to issue a warning. A growing movement in the field, they claimed, was calling on schools to adopt an ...

In this lesson, students go over basic coin recognition skills. In this lesson, students go over basic coin recognition skills, adding coins to reach a given amount, and to find the difference between ...

Math vocabulary alone isn’t a silver bullet—but research shows it’s linked to stronger academic achievement when paired with expert teaching practices.

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 ...