This Application Problem is a part of the Lesson 13, Unit 3, Grade 2. Sarah's mom bought 4 boxes of crackers. Each box had 3 smaller packs of 10 inside. How many crackers were in the 4 boxes? The difference between the words packs and boxes could be difficult for English language learners to understand. Before beginning, it may be helpful to define these words with a simple labeled sketch that students can refer to as they read the problem.