This Application Problem is a part of the Lesson 12, Unit 5, Grade 1. Shade the clock from the start of a new hour through half an hour. Explain why that is the same as 30 minutes. Before beginning today's Concept Development, students have the opportunity to demonstrate their understanding using words and pictures. Circulate, and notice the areas where students are using clear, precise language, as well as elements of their explanation that can use stronger or clearer language. Throughout today's Concept Development, take care to emphasize or extend the lesson around these areas.