This math topic focuses on basic division concepts where learners engage with division word problems involving a two-digit divisor and a one-digit divisor. Specifically, these problems require calculating the remainder when a certain number of riders are distributed evenly across a specific number of cars. This is part of a larger unit on division, aimed at building competence in dividing numbers and understanding remainders. The problems are visualized through images to help in solving them, and multiple choice answers are provided to select from after computing the division.