In this video, the teacher explains how to solve real-world story problems that involve comparisons using equations. The examples given involve finding the length of a piece of yarn and a dog leash, where the length is given and then multiplied by a certain number of times. The teacher demonstrates how to represent the unknown number using a letter or a symbol, and also introduces the use of bar models to solve these types of problems.

Solving Multiplicative Comparison Word Problems with Equations