Magic Square

Useful for discussing area, perimeter or times tables, this spreadsheet generates a colored square that grows and shrinks according to your parameters. The document is locked but there is no password; to edit just go to Tools/Protection/Unprotect Sheet. Aligned with Common Core Standard: 3.MD.6 Measurement and Data: Geometric measurement: understand concepts of area and relate area to multiplication and to addition. Aligned with Common Core Standard: 4.MD.3 Measurement and Data: Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.