Here's what they were greeted with when they came in from recess
Underneath the "Top Secret" paper was this
A Function Machine/In and Out Box (whatever you want to call it).
side note, my school uses Everyday Math and provided us with a master to use, but I felt the need to cutesy-fy it with a fun font, star stickers and glitter.
We started off pretty basic with plus 1's, but then I let them come up with the rules. Look what one of my smartie-pants came up with
Please excuse my dirty easel, it's usually covered up with my chart paper.
And because it's too cute not to post, a sweet note from one of my kiddos!
Translation - Dear Ms. Wold, I have a cool valentine