Cosmic GUIDE BUNDLE: Elementary Montessori Workbook - CHAPTERS 1, 2 & 3 Only! PDF Lessons, Guide & Language Montessori Materials: Not ready to commit to the complete Montessori Elementary Guide? Try out this abbreviated option instead! Explore 'Cosmic' Concepts #1, #2 and #3: Science and the origin of our Universe; World history; Origins of world languages and word etymology; Literary devices; ; Geometry of lines, angles and polygons; and number operation math review (giving extra attention to