Your child can build an understanding of addition, subtraction, and the other math concepts they are learning in first grade by playing with everyday objects. Use items that your child enjoys playing ...

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Achieving fluency with basic subtraction and add-with-8 or -9 combinations is difficult for primary grade children. A 9-month training experiment entailed evaluating the efficacy of software designed ...

Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...