This math topic focuses on calculating elapsed time by subtracting one hour from given times on a clock. Each problem presents a specific starting time and asks to determine the resulting time after subtracting one hour. The questions are designed to help learners understand and visualize the concept of elapsed negative time. Each problem offers multiple-choice answers with visual representations of clocks to aid in understanding and solving the problems. This is an initial introduction to negative elapsed time concepts.

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