This math topic focuses on advanced calculations of elapsed time in a negative format. Specifically, it teaches how to determine how many minutes earlier a second displayed time is compared to a first displayed time. For example, problems involve comparing two specific times and calculating the time difference in minutes to find out which is earlier. The topic provides multiple-choice questions, allowing learners to pick the correct number of minutes that represents the negative elapsed time between the two times shown. This skill is crucial for deepening understanding of time, schedules, and temporal differences.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.