This Application Problem is a part of the Lesson 7, Unit 4, Grade 2. Farmer Andino's chickens laid 47 brown eggs and 39 white eggs. How many eggs did the chickens lay in all? This problem is intended for independent practice, giving students the opportunity to choose a preferred strategy or try a new one. Encourage students to use the RDW process. Then, students may wish to use place value disks, a number bond, or arrow notation.