Common Core 1st Grade Math: Addition and Subtraction Equations

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School Library Journal

Reviewed on September 1, 2016  |  Multimedia Review

Gr 1–2—Using carnival games and attractions as examples, host Kristin Morris briefly introduces viewers to the principles of writing addition and subtraction equations. She clarifies that just as we construct sentences from words, mathematicians use symbols to construct number sentences, also known as equations. Three important symbols—the plus, minus, and equal signs—are introduced with corresponding hand motions to help viewers remember their meaning and function. "Th...Log In or Sign Up to Read More

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