Estimations and Approximations: The Money Munchers

The context: There is $24,400 in $1 bills under a mattress. How far will the mattress lower if the money is deposited in the bank? Complete with worksheets, student examples, student mistakes for analysis. This lesson unit is intended to help you assess how well students are able to:
  • Model a situation.
  • Make sensible, realistic assumptions and estimates.
  • Use assumptions and estimates to create a chain of reasoning, in order to solve a practical problem.
Resource ID#: 32040 Type: Formative Assessment
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Direct Link: http://map.mathshell.org/materials/lessons.php?taskid=220&subpage=problem

General Information

Subject(s): Mathematics
Grade Level(s): 7
Intended Audience: Educators educators
Suggested Technology: Computer for Presenter, LCD Projector, Adobe Acrobat Reader
Instructional Time: 1 Hour(s) 15 Minute(s)
Keywords: estimate, estimation, writing, critical thinking, volume, rectangular prisms, scale, scale factor
Instructional Component Type(s): Formative Assessment
Instructional Design Framework(s): Direct Instruction, Structured Inquiry (Level 2)
Resource Collection: General Collection

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