It was my job to use these standards as priorities, cover what I could, and fill in with the computer science knowledge to make these do-able. We are also using these to inform future classes, the next classes we make for PCAS. You can compare these whiteboards back up to the course...
Notice that the shaded area is the area of the square, with the area of the circle punched out. To get to the answer quickly, this means that the area of a square is 10 x 10 = 100, and the area of a circle is πr2, or π * 5 * 5 = 25π. So the area of the shaded ...