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Apply linear functions by modeling profits and expenses in a real-world situation

teaches Common Core State Standards 6.6B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 6.6C http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.2B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.2C http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.3A http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.3C http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.12A http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards A.12B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 2A.4E http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards G.2B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 7.4A http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.4B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.4C http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5A http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5B http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5C http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5D http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5G http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 8.5I http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html
teaches Common Core State Standards 7.AF.5 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards 8.AF.3 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards 8.AF.5 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards 8.AF.6 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards 8.AF.7 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards AII.F.1 http://www.doe.in.gov/standards/mathematics
teaches Common Core State Standards CCSS.Math.Content.8.F.B.4 http://corestandards.org/Math/Content/8/F/B/4
teaches Common Core State Standards CCSS.Math.Content.8.F.A.1 http://corestandards.org/Math/Content/8/F/A/1
teaches Common Core State Standards CCSS.Math.Content.8.F.A.3 http://corestandards.org/Math/Content/8/F/A/3
teaches Common Core State Standards CCSS.Math.Content.8.F.A.2 http://corestandards.org/Math/Content/8/F/A/2
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards MAFS.8.F.1.1 http://www.cpalms.org/Public/search/Standard
teaches Common Core State Standards MAFS.8.F.1.2 http://www.cpalms.org/Public/search/Standard
teaches Common Core State Standards MAFS.8.F.1.3 http://www.cpalms.org/Public/search/Standard
teaches Common Core State Standards MAFS.8.F.2.4 http://www.cpalms.org/Public/search/Standard
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Big Ideas: Linear functions represent many real-world situations. The y-intercept of a linear function represents the initial value of a real-world situation. The slope of a linear function represents the constant rate at which the variables change together. This task builds on students’ understanding that functions are unique representations that explain the world around us (8.F.1) This is a culminating task that extends students’ knowledge of functions to include expenses and profits. It also contributes to their understanding that some real-life situations may be approximations and estimations. It builds a foundation for work with systems of linear equations and linear programming. Vocabulary: function, profit function, expense function, slope (rate of change), y-intercept (initial value) Special Materials: Supplemental Handout (price sheet)
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