1. Have your child make a list of objects around the house that he can use for finding area and volume. Encourage him to try to find at least one example of each shape. For example, a sheet of paper is an example of a rectangle, a stop sign is an octagon, a refrigerator is a rectangular prism, a soda can is a cylinder, a soccer ball is a sphere, etc.
2. Give him a ruler or tape measure to measure the objects’ dimensions, rounding each measurement to the nearest inch.
3. Then have him use the formulas above to find the area and volume of each object. He can use paper and pencil to calculate his answers, or you may allow the use of a calculator, depending upon your child's familiarity with these types of equations.