This carefully selected Grade 3 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 (titles may vary):

• What Is in the Attic? (Introducing Division)
• The World of Trade (Number Patterns)
• My Lemonade Stand (Number Patterns)
• Natural Measures (Measuring Objects)
• Getting Ready to Camp (Introducing Division)
• Tracking Time (Measuring Time)
• At Risk! (Reading and Understanding Graphs)
• Timing Races (Measuring Time)
• Wildlife Scientists (Reading and Understanding Graphs)
• At the Fire Station (Measuring Objects)