This math topic focuses on practicing addition of whole numbers using the column method. It specifically involves adding a three-digit number to a two-digit number. The topic is structured as a sequence of questions, each featuring a different pair of numbers to add. Each question offers multiple answer choices, encouraging learners to solve the addition problems and select the correct result. This topic is part of a larger unit on Addition and Subtraction of Integers, covering both two and three-digit numbers. The exercises are designed to build skills in basic arithmetic and number sense.