All of the rigorous questions in this app are aligned with Common Core. This app is aligned with Common Core and will help students be successful readers. This app consists of stories that are aligned with third and fourth grade common core standards. There are over 100 non-fiction and fiction stories in this app with over 400 multiple choice questions. The common core curriculum for third and fourth grade is very rigorous. Common core takes reading to a higher level. Common core assessments are mainly multiple choice which this app offers. Third and fourth grade common core standards are character, setting, main idea and details, word meaning, fact and opinion, summarizing, sequencing, problem and solution, prediction, character traits, and context clues. This app contains every standard for the third and fourth grade common core curriculum. Students will be great common core standardized test takers by using this app.