Substitution Method Worksheet Word Problems. A worksheet, in the word’s original meaning, can be a sheet of paper where one performs work. This is a printed page that a child finishes using a writing tool. No other materials are needed. It is”a sheet of paper on which work schedules, working time, special instructions, etc. are listed. A bit or scrap of paper about which issues, thoughts, or the like, are put down in tentative form.” In schooling, a worksheet could have concerns for students and places to document responses. In accounting, a worksheet is, or has been, a sheet of ruled paper with rows and columns on which an accountant may record data or perform calculations.