Could also do addition and subtraction wheels - Free printable number wheel for number recognition, number matching games, subitising activities and games to learn number bonds to 10 or 20

These Counting Activities: Building Pizzas can be set up as cookie sheet activities, a magnet center, or math center. This set includes two pizzas, 12 build a pizza instruction cards, and lots of build a pizza building pieces (all in color).

Math Fact Booklets for Addition and Subtraction- These booklets are simple and effective to help students practice their basic math facts. Plus, they come with answer keys so that children can self-check their work! What a time saver!