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Goals for Using this Graph with Students:Math: make connections between bar graphs and circle graphs, describe relationships from a graphOther: awareness that the most objectionable offenses may not be the ones people are incarcerated forPrep:Print one graph for each pair of students. Cut out the bar categories individually, remove the subtitle, and take out the circle graph. Save all the pieces.To Use with Students:1. Give students just the strips of the category labels and ask pairs of students to put the categories in a column from most objectionable (top) to least objectionable (bottom).2. Pass out the title and bars of the graph. Let students decide which offense could go with each bar. Address the meaning of the word ‘prison’ found in the title (longer term and federal, see source). State that the top category is Drug offenses.3. Give pairs a blank piece of paper. “One missing piece is a circle graph. Sketch a circle graph using this same data to show two categories: 1. drug offenses, and 2. all other offenses combined.” Follow up by asking what the whole is (total prison population). Address misconceptions. If needed, ask students to cut out all the bars and tape them end to end to form a circle, and then create a circle graph. Ask for descriptions of the size of ‘drug offenses’ in relation to the whole; give the subtitle. Reveal the full original graph and allow students to shuffle their bar graph categories to match. Discuss points of surprise.4. Ask each pair to discuss and then write down as many comparison statements as they can. Allow additive and any other reasoning that comes out. Offer a few words/phrases as scaffolding to include statements using multiplicative reasoning. [double, triple, __ times as many as, __ times more than, __ times greater than, etc.] ................
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