This is a subtraction center that my students absolutely love! First, introduce "Linus the Minus" with the poster provided. Students love that he "steals" or takes away counters! I use this game mat during my whole group instruction prior to students using this game independently! We use subtraction problems from our workbook, flash cards, or problems that I provide on the board to play the game. Simply print, assemble, and laminate for prolonged use!