This math topic practices division with remainders using a fictional scenario where a deck of cards is distributed evenly among players. Students must compute how many cards remain undealt after each player has received equal parts of the deck. The problems use different numbers of cards and players but follow the same model, focusing on basic skills in division and the concept of remainders, ideal for beginners in long division. Each question provides two possible answers, encouraging students to solve and verify the correctness of their results.