Shark Swimathon by Stuart J. Murphy is a lively math picture book that makes subtraction feel like an adventure. Designed for children ages 6-10, it uses a playful underwater setting to introduce 2-digit subtraction in a way that is clear, friendly, and easy to follow.
With engaging illustrations and a simple story format, this book helps young readers build confidence as they practice math skills. It’s a fun pick for early learners who enjoy picture books, numbers, and ocean-themed stories.
