My second grader can run through long, complicated equations in his head, and I can barely wrap my mind around the new way they are teaching him to do it. I do, however, have basic math skills, and I ...
Two students in Danielle Adler’s kindergarten class at Marcus Hook Elementary School in Marcus Hook, Pa., prepare for an addition problem. Credit: Holly Korbey for The Hechinger Report The Hechinger ...
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