Lesson plan

Rocky's Rent: Trajectory of Understanding

teaches Common Core State Standards CCSS.Math.Content.7.NS.A.2 http://corestandards.org/Math/Content/7/NS/A/2
teaches Common Core State Standards CCSS.Math.Content.7.NS.A.2b http://corestandards.org/Math/Content/7/NS/A/2/b
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7
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Students will understand that operations on rational numbers mean the same thing as operations on whole numbers. This task uses the idea of rent to compare values of rational numbers through various operations. Students will determine how the unit rate after division is meaningful in the context. The suggested public discussion of student work shows a trajectory of understanding. It is important to discuss this work so that students understand that operations with rational numbers are the same as operations with whole numbers. Three pieces of work are shown. The first work sample shows the student can fluently use long division to divide rational numbers, and can compare rational numbers values for greater and less than, and finding a unit rate. The second work sample shows how to use operations with rational numbers, comparing rational numbers values, and converting months to years. The third work sample shows the student can add a rational number situation from the context of the real world situation, but not able to apply the addition correctly. This Student Work Discussion Plan was created by a member of the 2015 Delaware Dream Team.