Card game for math facts

I found this link when looking through some "OLD" stuff (my newsletter 10 years ago... in this Internet day and age, 10 years seems like an eternity ago!). It's a neat little "game" for math facts:

http://littleblueschool.blogspot.com/2007/09/math-card-game-for-addition-subtraction.html

To be more precise, it is a  way for kids to write some of their own math problems using a deck of cards.  😃 But it can definitely FEEL like a game for little ones!