Two Pounds to Go

This Two Pounds to Go assessment also includes:

How hard can it be to measure out two pounds? A short performance task introduces a situation where a balance scale is broken. It gives a method for measuring out two pounds and asks learners to evaluate the procedure. They must prove mathematically, using proportionality and rational functions, whether the method is valid.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Apply the resource as a formative assessment
Classroom Considerations
  • Pupils should be familiar with situations involving rational functions
  • Experience with proportionality is necessary
  • Includes an answer key with several alternative approaches
  • Provides a worksheet for the lesson
  • None
Common Core