Each member of the group should be able to explain how the problem is solved. The students can visually find the perimeters and areas. I then ask students to determine the formulas on their own. If students do not discover them after several attempts, I give the formulas and have students practice finding area and perimeter. Allow 30 seconds for the activity.
Students enjoy competing to see who can get the closest.
Write the property name on a card and an example on another. Mix and place cards face down on a desk. One student selects two cards. If the cards match, the student keeps them and continues. If they do not, the cards are returned face down, and another student selects.