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      Standards

      CCSS.Math.Content.6.EE.A.2
      Write, read, and evaluate expressions in which letters stand for numbers.
      CCSS.Math.Content.6.EE.A
      Apply and extend previous understandings of arithmetic to algebraic expressions.
      Expressions and Equations
      Common Core State Standards (CCSS) Initiative: Mathematics Standards

      CCSS.Math.Content.6.EE.A.2a Write expressions that record operations with numbers and with letters standing for numbers.

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      • Smithsonian Science Starter (Collection 1): Balancing Your Way Through Numbers
      • Balancing Your Way Through Numbers
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