Worksheet, in the word’s authentic meaning, is a scrap of stationery on which one performs activity. They arrive in several shapes, most ussually linked with junior school activity task, tax forms, or accounting or another business sphere. Application is increasingly taking over the paper-based worksheet.
It could be a printed page that a children finishes with a writing tool. No other stuffs are needed. It’s “a sheet of paper on which work schedules, working time, specific guides, etc. are recorded. A sheet of paper on which issues, ideas, or the like, are set down in tentative form.” In school, a worksheet may have questions for students and where to record answers.
In accounting, a worksheet is, or was, a scrap of instructed paper with rows or columns on which an accountant could record information or perform calculations. These are oft called columnar pads, also exclusively green-tinted.
In computing, spreadsheet software presents, on a PC monitor, a user interface that alike one or more paper accounting worksheets. MS Excel, a popular spreadsheet software, refers to a single spreadsheet (more technically, a two-dimensional matrix or array) as a worksheet, also it refers to a group of worksheets as a workbook.