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Heidi Aranda, center, from education company Math Solutions, holds up a poster detailing a fractional problem featuring cookies divided among students. The example problem was presented to third- and ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

The ratio of doughnuts to students was deliciously disproportionate Monday afternoon as Abby Fremouw's third graders applied ...