Another book Welcome to BFSU: › Forums › Volume One › Learning Progression “A”: Nature of Matter › Lesson A-1/B-1. Organizing Things into Catergories › Another book Tagged: a-1/b-1, books, classify, organize, sets, sorting This topic has 0 replies, 1 voice, and was last updated 4 years, 10 months ago by paperdragonfly. Viewing 0 reply threads Author Posts December 9, 2019 at 3:14 pm #8170 paperdragonflyParticipant “Knowabout: Sorting” by Pluckrose & Fairclough Series of photos of various objects, poses questions on how to organize, sort, shows possible scenarios and describes a set. Great for this lesson! Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.