When reading a text, it's important to know what it's all about. Determining the main topic and key details is an important standard in second grade. Get your kids learning with this the history of Valentine's Day, chocolate, roses, and the human heart 2nd-grade nonfiction text for RI.2.2 main topic and key details. This bundle has all that you need to help with identifying the main topic and supporting details while also reading about many different topics.The topics covered in this bundle are: