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Proficiency With Addition And Subtraction


From Composing and Decomposing to Operations (3:31)

Facilitative Prompts

  • Prior to viewing: How does composing and decomposing lead to understanding operations? What specific tools come to mind when you think about engaging students with composing and decomposing of numbers?
  • While viewing the video, what are some ideas being shared that are new for you? What questions emerge for you?
  • After viewing: Thinking about your students, what would they need to know and be able to do using this approach to understanding operations? What are the key ideas that will continue to inform your work with students in order to continue building proficiency with numbers? Why are these important? What are some specific next steps that can be taken based on what has been learned from this video?


Sources of the above video selections