Since I have so many new followers I'm sharing the link from Dec. It was for a student gift for x-mas using a deck of cards. But I thought it would make for some easy and fun math games to use during math centers. I always buy the deck of cards at the dollar store. They have 2 in pack. So it's a fairly inexpensive math center. Just click on the image below see the post.
Round 'Em Addition
Round Em Up Multiplication