This math topic focuses on practicing long division without remainders, involving two steps and identifying missing divisors. The problems require students to solve for the unknown divisor from given division equations. Each puzzle presents a partially completed long division problem, with participants having to deduce the correct divisor from multiple choices. This skill is crucial in understanding and mastering the mechanics of division and operational logic. The activity is intended for learners at Level 1 of a broader unit dedicated to practicing long division techniques.