Today in class, we used oranges to help us figure out how to calculate the surface area of a sphere. By cutting the oranges in half, tracing their circumference, then filling the circumference with the peel as many times as possible, we figured out that the formula to calculate the surface area of a sphere is 4πr^2.
4 times pi times the radius squared will give you the surface area of a sphere.
By doing this activity, it helped me better understand how the three-dimensional shape is broken down into a two-dimensional measurement.