Have students come up with a formula to find the circumference of an object knowing only the diameter of that object, and the number that represents pi. Students must prove their formula works by demonstration and measuring to check their results. Students may also share what they have learned with other members of the class. Give students three problems listing only the diameter of each object and have them find the circumference. Encourage students to share learned knowledge with parents.
Students understand and compute volumes and areas of simple objects.