Grade 4 - Algebraic Reasoning
Standard 4.AR.111.6.b.5C - Compare two figures that have either the same area or perimeter. Use the information to find the missing dimensions.
Included Skills: Geometry
Use models to determine the formulas for the perimeter of a rectangle (l + w + l + w or 2l + 2w), including the special form for perimeter of a square (4s) and the area of a rectangle (l x w).