Worksheet
WordNet
noun
(1) A sheet of paper with multiple columns; used by an accountant to assemble figures for financial statements
(2) A piece of paper recording work planned or done on a project
WiktionaryText
Noun
Usage notes
If written as either "work-sheet" or "work sheet" it will be considered incorrect by most. See the US Department of State's Bureau of Educational and Cultural Affairs Office of English Language Programs' English Teaching Forum's Style Sheet for more information.