Detective Workbook: The Mystery of the Missing Backpack – A Math Adventure for Young Detectives Ages 6–12 The Detective Workbook is an interactive math companion designed to strengthen addition and subtraction skills through engaging, detective-themed challenges. Inspired by The Mystery of the Missing Backpack, this workbook invites young learners to solve clues, analyze problems, and apply math concepts in a structured and motivating way. Through guided practice, step-by-step progression, and problem-solving activities, children build confidence in foundational numeracy while developing logical reasoning and independent thinking skills. The workbook is designed to support diverse learners and works well in classrooms, tutoring settings, and home learning environments. Ideal for children ages 6–12 who benefit from hands-on practice and story-connected learning.