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EAC 1 Case Story

EAC 1 – Specifically connecting to more than one representation of an idea.

Routines

  • Connect symbolic and visual representations
  • Create visual representations of word problems

Video Case Story

See how one middle grades mathematics teacher uses tasks about area of rectangles with fractional measurements to implement EAC 1 in her classroom.

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EAC 2 Case Story

Noting ways that different solution strategies are similar or different.

Routines

  • Discuss different solution strategies for the same problem
  • Discuss different problems solved by the same strategy

Video Case Story

See how one middle grades mathematics teacher uses a task about equivalent algebraic expressions to implement EAC 2 in her classroom.

Case Story Resources

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EAC 3 Case Story

Discussing the mathematical reasoning that underlies a procedure.

Routines

  • Connect a representation to the steps in a procedure
  • Provide a mathematical justification for the steps in a procedure

Video Case Story

See how one middle grades mathematics teacher uses a card sorting task about multiplying and dividing fractions to implement EAC 2 in her classroom.

Case Story Resources

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EAC 4 Case Story

Pointing to a main idea in a lesson and how it fits into a bigger picture.

Routines

  • Explore how the main idea of a lesson is used in other contexts
  • Connect the current main idea of a lesson to a prior math concept

Video Case Story

See how one middle grades mathematics teacher uses tasks about area of rectangles with fractional measurements to implement EAC 1 in her classroom.

Case Story Resources