Fence the Flamingo is a two-player game to practice expanded notation. Players select game cards and write the given standard number using expanded notation or write the given expanded number as a standard number before using the game board to "Fence the Flamingo" by connecting adjacent dots. A math game that kids love that involves strategy. This activity can be used as a Math Center or as a whole-group activity where students work in pairs. This activity meets or exceeds the Common Core Standards of Mathematics.