In Mrs. Engler's 1st grade class, students engaged in a hands-on learning activity where they measured various objects, such as books. To enhance their measurements and foster understanding, the students followed important guidelines: they ensured their endpoints were aligned, avoided any gaps or overlaps in their measurements, and consistently used the same units of measurement for each object. Through this practice, the children not only honed their measuring skills but also developed a better grasp of mathematical concepts and the importance of precision.