Apologia’s Exploring Creation with Mathematics Level 4 Teaching Guide & Answer Key is a companion to the Mathematics Level 4 All-in-One Student Text & Workbook, sold separately. It includes reduced student pages with solutions to all the problems in the All-in-One Student Text & Workbook, suggested daily schedule, teaching tips, and supply lists, along with ideas for helping students struggling with a concept and suggestions for extension activities for the student who wants to dig deeper into a concept. 285 pages, softcover. Grade 4.