I copied Denise's sign, with minor modifications, and got this..
We're both writing in response to David Coffey's post, What's the Point? And all three of us are using the easy peasy sign generator made by a teacher at the real Roosevelt Middle School in Oakland, California.
Why play? Because every day can be a math day.
Wouldn't it be cool if a different math lover made a Happy * Day sign every day for the rest of this month?
Who will do a sign tomorrow?