Use reading skills to solve these mysteries about school. Colorful page designs and school-related topics make this resource fun for tweens. A great way to encourage collaboration and class discussion. For answers, students are asked to use details as evidence or to justify answers. Some mysteries may have more than one possible answer which is a super way to teach critical thinking skills. 10 short mysteries with answer keys. Priced at less than .50 a story. Use at the beginning of school or any time you want to have a collaborative reading lesson.