This carefully selected Grade 4 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):

• Patterns in Nature (Recognizing Patterns)
• Patterns Around Us (Recognizing Patterns)
• The Bake Sale (Multiplying and Dividing)
• The Bread Book (Multiplying and Dividing)
• Amusement Parks (Perimeter and Area)
• Life in the Ocean Layers (Units of Measure)
• All About Sharks (Units of Measure)
• Towns and Cities (Perimeter and Area)
• Basketball Angles (Understanding Angles)
• The Winning Angle (Understanding Angles)