Ten great 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
Two activity pages with answers. These worksheets work with the concept sets and groups of objects representing the multiplication facts. Common Core: Math 3.OA.1
Students use the rule to fill in the blank boxes.