This Application Problem is a part of the Lesson 12, Unit 4, Grade 2. Barb has a bag of 34 cherries. She eats 17 cherries for a snack. How many cherries does she have left? This problem is designed for independent practice and serves to reinforce the concept of decomposing 1 ten as 10 ones with manipulatives. Allow students to use place value disks when solving.