A-CED.1.3

Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or non-viable options in a modeling context. For example, represent inequalities describing nutritional and cost constraints on combinations of different foods.

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Formative Assessments
Formative Assessments
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Students are asked to determine the constraint on a profit equation and to interpret solutions as being viable or not in the context of the problem.
Constraints on Equations
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Students are asked to model a problem involving constraints using inequalities.
Sugar and Protein
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Students are asked to represent constraints using inequalities given in a problem context.
The New School
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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Restrict, reposition, and rotate lines at will using slope-intercept form. Use precision in describing these transformations using words and/or symbols.
Marbleslides: Lines
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Assessment Questions
Assessment Questions
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Videos of Expert Instruction
Videos of Expert Instruction
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What happens when math models go wrong in forecasting hurricanes?
Hurricane Dennis & Failed Math Models
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This video demonstrates writing a function that represents a real-life scenario.
Basic Linear Function
Use Real Link and Title
Math Literature
Math Literature
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This awesomely gross lesson provides students with a real world context for building linear functions.
How Much Does A 100×100 In-N-Out Cheeseburger Cost?
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Students will have to decompose 450 and account for the nine rolls.
How Can You Win Every Prize At Chuck E. Cheese’s?
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Each student states which coupon he or she would use.
What Michaels Coupon Should You Use?
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Students should be able to reach the conclusion that the toilets’ water usage would be about the same when the dual flush toilet is used slightly less than 50% of the time for “solids” and slightly more than 50% of the time for “liquids”.
Which Toilet Uses Less Water?
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Students add the monthly payments together with the initial down payment and compare it to the single annual payment.
Is It Cheaper To Pay Monthly or Annually?
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Students will find the annual gas costs for each car and subtract them.
Do Hybrid Cars Pay For Themselves?