The history of math is murky, predating any written records. When did humans first grasp the basic concept of a number? What about size and magnitude, or form and shape? In my math history courses and ...
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 ...
Four years ago, Marquies Gray Jr. and his younger brother, Mason, were struggling to solve math problems. Their mother, Lavonzell Nicholson, enrolled them in a tutoring program called Make It Count ...
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