Students will place bears on a beam to develop a sense of the mean as a balance point. They begin by guessing and checking. Then they’ll develop strategies for determining the balance point with more precision (e.g., by observing that the balance point is where the sum of the distances to the left of the mean is equal to the sum of the distances to the right of the mean.)
Marcellus the Giant
This activity will help your students understand the definition of a proportional relationship. They'll create a giant and then make sure all of his features are proportional. They'll see the…