This Instructional Activity is part of the the Lesson 1, Unit 2, Grade 5. In order to wait to introduce grouping symbols until the end of the Anchor Task, you can record the order in which each student solved as sequential equations when you ask the first and second question. Julysa says the answer is 19. How did Julysa evaluate, or solve, the expression? How can we record what she did as separate equations?