This Application Problem is a part of the Lesson 5, Unit 5, Grade 1. Darnell and Tamra are comparing their grapes. Darnell's vine has 9 grapes. Tamra's vine has 6 grapes. How many more grapes does Darnell have than Tamra? This compare with difference unknown problem continues to engage students in the same type of problem using different contexts and a larger difference between the numbers.