Students can practice making fact families while playing this fun memory match game. Teachers, copy, laminate, and cut out cards. Shuffle cards and place cards face down. Players take turns flipping 2 cards and trying to make a fact family match. The animals will be the same...but one of the cards will have 2 addition sentences and the other will have 2 subtraction sentences. If a fact family match is made, the player puts the match in his Zoo. If a match is not made, the player flips the cards over. The player with the most cards in his Zoo is the winner.