In this activity, students will practice adding and subtracting decimals. They will create expressions to match given criteria (e.g., the greatest value, the closest to zero, etc.). Students will reason abstractly and structurally, arguing that their expressions are the greatest or closest to zero possible.

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…