How many hours did Shelly read?

This Application Problem is a part of the Lesson 24, Unit 5, Grade 4. Shelly read her book for hour each afternoon for 9 days. How many hours did Shelly spend reading in all 9 days? This Application Problem relates back to Lesson 23 where students multiplied unit fractions to build fractions greater than 1. Ask students who are struggling to explain their number sentence to draw a number line.