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 ...
GREENSBORO, N.C. — Becoming good at math begins long before a child enters school. Even infants are wired to learn simple math ideas, including small numbers, patterns and making comparisons. You ...
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