Feeding a Family of Four

How much does it cost to feed a family of four?

Problem Posing

Sample Prompt:  How much does it cost to feed a family of four?

    • What do you wonder about?
    • From the list of wonders, how can we use math to make a decision? How can math serve our needs?            
    • What do you notice? What do you wonder?
    • What is interesting or important about this situation?
    • Who cares about this situation?
    • What other information do you need?  Are there important quantities?

Making Assumptions and Considering the Variables

Sample Prompt:  What is the average cost of food for a family of four?

Gathering Information

    • If I knew______, then I could figure out_______
    • Let’s assume__________.
    • What assumptions can we make around the problem to simplify the problem posed?
  • Here is some information to help the with their math happening.

    PDF with more infoCostofFoodDec2021LowModLib

Solving- Doing the Mathematics/Building a model

Sample Prompt:  

  • What math do you know that can help you solve the problem?
  • What are some common misconceptions that could arise at this stage, and how can they be addressed?
 
Sample Prompt:  

  • How might we use our solution to other similar problems?
  • Can this solution help us with other problems?

 Is there a model/formula that I can reuse or share with other field trip planners?

Analyzing and revising the model

Sample Prompt:  

  • How might we become even more precise with our model?
  • How might our model change if we changed some of our previous assumptions?

Reporting out- Sharing & Connecting Real world Math to school math

Sample Prompt:  

  • How does all the math we used in this problem relate to what we covering as math topics this year?
  • Can you identify all the math and strategies we used to tackle this problem?

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