Make end-of-the-year math review fun with this June Math Mystery Activity! In this beach-themed 4th-grade math review, students solve math problems to figure out who found the lost beach ball, when they found it, and where they found it. This summer math mystery is perfect for keeping students engaged during those final weeks of school. Students will solve a variety of 4th-grade math problems, eliminate choices, and uncover the final mystery answer. The resource includes both a printable PDF