Can integer subtraction feel intuitive without rote memory? In this episode Pam and Kim delve into a Problem String and explore integer subtraction relationships.
Talking Points:

  • Integer chips?
  • Students reason about subtracting integers
  • Distance versus removal
  • Problem String subtracting integers in context
  • When context is less helpful
  • Don't go to rules, stay in reasoning

See Episodes 149 and150 for more about distance vs removal

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