Simply Charlotte Mason Your Business Math Series Pet Store Teacher Book by Sonya Shafer provides a comprehensive guide for teaching real-world math skills through a fun, living math approach. Designed for students ages 8-12, this teacher’s edition includes step-by-step instructions, teaching tips, and answer keys for the various business tasks found in the student kit. The curriculum covers essential concepts like sales tax, bill payments, and ledger management, all centered around the engaging theme of running a pet store. This 56-page resource is an effective tool for homeschooling or supplemental practice, helping students build confidence in their mathematical abilities while learning basic business principles.