by Sherry McElhannon | Oct 25, 2022
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by Sherry McElhannon | Jul 7, 2020
Download Practice Pages Shop Math Mights Products! Description: This Mathville citizen wears a hard hat and carries a mallet, and hates unfriendly numbers! D.C. decomposes and composes numbers to make addition more friendly! See how D.C.’s strategy, paired with...