Lesson plan

Understanding data by asking and answering questions based on bar graphs

teaches Common Core State Standards CCSS.Math.Content.3.MD.B.3 http://corestandards.org/Math/Content/3/MD/B/3
teaches Common Core State Standards CCSS.Math.Content.3.NBT.A.2 http://corestandards.org/Math/Content/3/NBT/A/2
teaches Common Core State Standards CCSS.Math.Content.3.OA.D.8 http://corestandards.org/Math/Content/3/OA/D/8

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Big Ideas: A bar graph can represent data. There are various ways to solve one and two-step word problems. We can solve two-step word problems using “how many more” and “how many less” using the graph. Asking and answering questions deepens understanding of the data. In this lesson, students will analyze bar graphs and answer a variety of questions about the data they represent. The questions cover reference questions, one-step questions, two-step questions, and whole picture questions. Students support their answers with evidence from the graph and their own mathematical thinking. Special Materials: Optional Students created bar graphs and questions in the last lesson. Pair students to swap graphs and question. Each student completes their partners' questions. Students should use their partner for clarification when needed.