We will be talking about number relationships at this session of the convention tomorrow. Once early learners know their numbers in order, have one-to-one correspondence for counting, and understand that the last number in the counting sequence names the set they are ready to develop some number relationships that will serve as a basis for understanding number relationships in other kinds of number.
Since Dropbox has changed its policies on sharing, I am not able to add a link to download the handout. However, if you email me (carolleenorris@gmail.com) in the next 10 days I will send you the handout.
Mathematically yours,
Carollee