First graders should be able to ask and answer questions about key details in a text. (spellingcity.com)
Ask and answer such questions as who, what, where, when, why and how to demonstrate understanding of key details in a text. (booklistonline.com)
Examples from the Massachusetts standards, which incorporate the Common Core, include: «Determine a theme of a story, drama, or poem from details in the text; summarize the text» or «Use the four operations with whole numbers to solve problems.» (hechingerreport.org)