Identical worksheets are needed prior to using the Consolidation feature, creating a sum across worksheets or using the Paste Special Math features to create summary worksheets. By grouping the worksheets first and then adding rows or columns, changing headings and other formatting operations, you ensure that the spreadsheets remain uniform.
Then along came digital copiers and the purple_ink mimeograph machine disappeared. But the teaching tool that the mimeograph machine spawned _ the worksheet _ has lived on... and on... and on. For decades _ literally decades _ teachers have been enamored with worksheets. So what is the bottom line? Are worksheets a serious teaching tool or an over_used form of busy work? The answer, of course, is both.