Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
This resource provides an interactive worksheet with just ten problems as an independent practice or a quick assessment.