This Instructional Activity is a part of the Lesson 11, Unit 1, Grade 7. In this activity, students explore the connection between a scale with units and one without units. Students are given two equivalent scales (one with units and the other without) and are asked to make sense of how the two could yield the same scaled measurements of an actual object. They also learn to rewrite a scale with units as a scale without units. Students will need to attend to precision as they work simultaneously with scales with units and without units.