This Pre-Algebra activity allows students to use the real-life example of building a pole barn to practice concepts by completing 21 different problems involving concepts such as area, perimeter, cost, surface area, mixed numbers/improper fractions, percents, and basic unit conversions. Students must find values like the area of aspects of their pole barn, the volume of concrete needed to pour the foundation, calculations & costs involved in framing, roofing, & siding, and other basic calcula