Worksheet Factoring Trinomials Answers Key. A worksheet, in the word’s original meaning, can be a sheet of paper where one performs work. This is a printed page a child finishes using a writing tool. No additional materials are necessary. It’s”a sheet of paper on which workouts, working time, special instructions, etc. are recorded. A piece or scrap of paper on which problems, ideas, or the like, are set down in tentative form.” In education, a worksheet may have questions for pupils and areas to document answers. In accounting, a worksheet is, or has been, a sheet of ruled paper with columns and rows where an accountant may record data or perform calculations.