I am pretty sure that I have talked about these symbols in a past post, but I'm too lazy to look for it. Each symbol represents a word function (noun, verb, etc.). The big black triangles are nouns, the medium dark blue triangles are adjectives and the small blue ones are articles. Together they form a kind of family.
Her sentence was - A green dog on a yellow tree. See the pattern of the symbols (article, adjective, noun)
This is the first time that she got to use the green crescent. The crescent is the symbol for prepositions. So far she has learned nouns, adjectives, articles, verbs and prepositions.
I started to try and retouch this picture and digitally clean up all of the junk in the background, but, hey, there's learning happening here and sometimes it's messy in our house. Anywho...we did some place value work with the rods and some triple digit addition.