These activities were designed for use at the University of Montana, where they were tested for four quarters in a mathematics for elementary teachers course on informal geometry. They are for use with Apple II-Plus computers with 64K memory or Apple IIe computers and MIT Logo. (Modifications are necessary if the activities are to be used with Apple Logo or with MIT Logo for the Commodore 64.) Specific directions are given to the student for beginning to work, as well as for such activities as: turtle commands; designing procedures; workspace management; initializing disks and saving files on a disk; work with circles; recursion, POLY, and other procedures; constructions; and transformational geometry ideas. Generally, part of each page guides students to learn a procedure or idea, and then additional tasks or problems are posed. Finally, a summary of commands is given. (MNS)