This carefully selected Grade 5 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: Our Vacation Budget (Working with Decimals); What Are Budgets? (Working with Decimals); It Started with Pizza (Variables, Expressions, and Equations); Night Skies (Variables, Expressions, and Equations); Shipwreck Detectives (Coordinate Planes); Ocean Maps (Coordinate Planes); Hot Air Balloons (Volume); At the Aquarium (Volume); How Do They Make That? (Operations with Fractions, Decimals, and Percents); and What Did I Eat? (Operations with Fractions, Decimals, and Percents)