Minnesota Academic Standards
MN.6.3. Geometry & Measurement
6.3.1. Calculate perimeter, area, surface area and volume of two and three dimensional figures to solve real-world and mathematical problems.
6.3.1.2. Calculate the area of quadrilaterals. Quadrilaterals include squares, rectangles, rhombuses, parallelograms, trapezoids and kites. When formulas are used, be able to explain why they are valid.