This Instructional Activity is a part of the Lesson 25, Unit 1, Grade 6. Then, students should use the ratios to help them discuss and work through the two claims. When the class comes back together, this could be a good time to discuss why a part-to-whole ratio is more useful when comparing statements that include percents. Help to mold the discussion so students see that percentages are based on part-to-whole ratios.