This Problem Set is a part of the Lesson 9, Unit 6, Grade 6. In this lesson students recall the use of rectangle diagrams to represent the distributive property, and work with equations involving the distribute property with both addition and subtraction. Apply the distributive property with addition and subtraction to generate equivalent expressions Represent the distributive property with side lengths and areas of rectangles and use the diagrams to write equivalent expressions. Let's use the distributive property to make calculating easier.