Unit 4, Lesson 2# Keeping the Equation Balanced

Open Up Resources 35 min(s)Support for English Language Learners

In this lesson, students recall a representation that they have seen in prior grades: the balanced hanger. Understand and explain why you can add, subtract, multiply, and divide an expression from each side of an equation when the expressions involve positive numbers. Let's figure out unknown weights on balanced hangers. Learning targets: students can represent balanced hangers with equations.