Find Regularity in Repeated Reasoning

I have a question…

  • We look for regularity in multiplication in many ways. And one way we learn multiplication is repeated addition.
  • Additionally, we learn how to add together strings of 3 addends (we rarely ask students to add more than 3 addends, unless we’re working on mastery of 2.NBT.6).

It seems like you could develop a lesson that incorporates the 2. I’m thinking of building a lesson based on something like: Continue reading