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Help D.C. with number sentences and ten frames, then learn about groups of up to 20. Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs help figuring out his number sentences to match ten ...

Teaching preschoolers to actually count numbers—not just recite them—will better prepare them for success in math once they start school, new research from the University of Missouri suggests.

New research suggests reciting numbers is not enough to prepare children for math success in elementary school. The research indicates that counting, which requires assigning numerical values to ...