Perform A Spelling Check On the Active Worksheet In Excel 2010. A worksheet, in the term’s original meaning, can be a sheet of paper where one performs work. It is a printed page that a child finishes using a writing tool. No other materials are necessary. It’s”a sheet of paper on which workouts, working time, special instructions, etc. are recorded. A bit or scrap of paper on which problems, thoughts, or so on, are put down in tentative form.” In schooling, a worksheet could have questions for pupils and places to document responses. In accounting, a worksheet is, or was, a sheet of paper with columns and rows on which an accountant may record data or perform calculations.