A fun and classic way to introduce: shapes, sorting. tally marks and graphing. Have students work in pairs. Create an exciting hands on math lesson. This lesson makes a fabulous bulletin board. Take lots of pictures of your students working add some green backing paper and everyone will be impressed!
Some learning standards that apply: K.G.A1, K.G.A.2, KMD.1.B.3, 1.MD.C4,1.G.A.1, 2.MDD10, 3MD.B.3