Ten great colorful pages of materials for a math-themed mini office. Words and symbols, mnemonic devices, "how to" tips for math operations, and much more. Common Core: Math: 3.0A.5 3.0A.6, 4.OA.1
Formatted like a standardized test, this 7 page document tests math skills such as addition, multiplication, units of measurement, percentages, shapes, division, area, perimeter, and more. These are approximately the skills tested in fifth grade, although state standards vary widely.
Common Core: Geometry 6.G.A1, 5.G.B3, 4.MD.3