This carefully selected Grade 1 collection is based on correlations to grade-level Common Core State Standards for mathematics. Books feature a specific mathematics concept, a problem-solving activity, and "Let's Explore Math" sidebars as well as engaging nonfiction text, supporting graphics, photographs, and key vocabulary. Titles in this 10-book collection include: At School (Nonstandard Measurement); After School (Nonstandard Measurement); Our Favorites (Graphing); A Day in Our Lives (Time); Let's Play! (Subtraction Facts); Shopping in the City (Subtraction Facts); A Year in Our Lives (Time); Smile! A Trip to the Dentist (Addition Facts); Main Street Animal Shelter (Graphing); and A Mountain of Trash (Addition Facts)