This website contains an index of multiple assessment strategies for the following catagories: Graphic organizers, interviews, observation, performance tasks, creative performances and exhibitions, self and peer evaluations, journals and learning logs, contracts, familiar assessment tools; tests, scoring guides, portfolios, and reporting.
Though worksheets may not be the best way to assess children this page has worksheets, quizzes, activities, etc…that can be used to assess students K-12.