negative numbers

Guess the temperature

Guess the temperature

This post is from last year on my math teaching blog. Presently we (along with much of the American Midwest) are in the middle of a serious cold snap. So I have edited and remixed it for the Talking Math with Your Kids audience. This morning's situation....

The biggest number

The biggest number

I do not recall the beginning of this conversation, but I do recall that we were eating pizza at the dinner table when Tabitha anticipated my turn in the dicussion. Tabitha (6 years old): I know what you're going to say, Daddy. "Counting never ends." Me: I suppose...