This Instructional Activity is part of the the Lesson 12, Unit 1, Grade 5. Is 7.6 closer to 7 or closer to 8? Plot 7 and 8 on the two outermost spots on the number line below. Then plot 0.6 to prove your answer. How does the number line show that 7.6 is closer to 8 than 7? Remember that the process of estimating a value based on a nearby benchmark is called rounding.