Final answer:
The learning aid is an Interactive Solution Guide used in educational platforms to offer step-by-step problem-solving assistance with interactive features.
Step-by-step explanation:
The learning aid described seems to be an Interactive Solution Guide, which provides a step-by-step walkthrough to help understand how to solve a problem. It can be accessed multiple times and does not require reloading a new exercise. This is commonly used in online learning platforms to provide additional resources and direct instruction in an engaging and interactive manner to supplement textbook material.
Such interactive guides are often part of Link to Learning features that direct students to online exercises and animations. They offer a fuller context to the core content and allow for the application of concepts. A similar feature, called Work It Out, also guides students through analytical or computational problems step by step, enhancing their problem-solving skills and helping them build confidence as they progress from easier to more difficult problems. This approach exemplifies the interactive and applied nature of learning in modern educational settings.