This curriculum guide is the first part of a two-part volume developed to assist those who are engaged in implementing prevocational exploration programs concerned with business and office occupations. It consists of experiential learning pacs that sample a variety of competencies performed by various workers employed in the business and office cluster. The intent of the learning pacs is to assist students in assessing whether they would like to prepare themselves for the kinds of work presented; the pacs are not intended to develop proficiency in the various occupational competencies. This first part of the guide contains materials for the following 25 learning activities: Preparing a master, operating the fluid duplicating machine, learning to write Gregg Shorthand, determining likenesses and differences, learning to proofread, operation of a typewriter, arranging parts of a business letter, checking and figuring extensions on invoices, figuring cash discount and date of payment, applying for a social security number, completing a W-4 and W-4E form, figuring amount of sale, counting change, opening a bank checking account, making a deposit, writing a check, preparing a bank reconciliation, learning the basic rules of alphabetic filing, completing a time card, filling out a payroll register, paying employees by cash, paying employees by check, learning the accounting equation, preparing an income statement, preparing a balance sheet. Instructions and evaluation procedures are outlined for the teacher. (TA)