Bob Jones Math K5 (4th Edition) Teacher’s Edition with CD-ROM NEW condition. No pages missing. No writing. The Math K5 Teacher’s Edition, 4th ed. provides instruction for the use of manipulatives to introduce each new math concept for a hands-on approach to learning. Through practice and interactive questioning by the teacher, the student gradually progresses to an abstract level in which he uses only numbers. Shipped with USPS Media Mail. Smoke free, pet free home Please message with any questions. Check out my other eBay listings for great deals!