Hooray for Friday! Let’s celebrate by visiting this month’s Math Teachers at Play blog carnival, featuring mathematical activities, lessons, and games for all ages:

Hmm… let’s see… now where did I put my notes? I know that this is supposed to be the Math Teachers at Play blog carnival… but which one?

Maybe the following puzzle will help. In the grid below, do the following:

- Circle any number, then cross out the other numbers in the same row and column.
- …
Click here to read the entire post at Math Jokes 4 Mathy Folks blog.