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Join Mrs. Gray for Numeracy Talk with Dotson working on conservation to 10. Join Mrs. Gray for Numeracy Talk with Dotson working on conservation to 10. Get your math brain ready as we will have some ...

The simplest ideas in mathematics can also be the most perplexing. Take addition. It’s a straightforward operation: One of the first mathematical truths we learn is that 1 plus 1 equals 2. But ...

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 ...