## Area of Irregular Shapes

*CCSS.MATH.CONTENT.6.G.A.1 Find the area of polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.*

## Using Proportional Reasoning

*This performance assessment task involves a range of mathematical practices from *the standards, with emphasis on:

*MP1:Make sense of problems and persevere in solving them MP2:Reason abstractly and quantitatively MP3:Construct viable arguments and critique the reasoning of others MP4: Model with mathematics MP5:Use appropriate tools strategically MP6:Attend to precision MP7:Look for and make use of structure MP8:Look for and express regularity in repeated reasoning*