E-book, Full Course


These are solutions to the rational-function problems presented in "Rational"ity - Chapter 4: Synthesize This. The original open-source educational resource can be found here: http://cnx.org/content/col10350/latest/ . This resource is part of the ”Rational”ity collection.


  • Mathematics > General
  • Mathematics > Algebra
  • Mathematics > Calculus
  • Mathematics > Number Sense & Operations
  • Mathematics > Problem Solving

Education Levels:

  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


rational numbers rational number pre-calculus precalculus arithmetic algebra student-facing



Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0


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Curriki Rating
On a scale of 0 to 3
On a scale of 0 to 3

This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 2, as of 2013-01-02.

Component Ratings:

Technical Completeness: 2
Content Accuracy: 3
Appropriate Pedagogy: 2

Reviewer Comments:

This lesson provides a hands-on activity for students to discover how to find the area of trapezoids and regular polygons. Students are lead through the lesson by key questions. Students may need additional hints and guidance as they work through the lesson.
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This resource received a 3* rating because it is part of Rationality, which received a rating of 3-Exemplary in the Curriki Review System and which you can see here: http://www.curriki.org/xwiki/bin/view/Coll_torquedellipse/Rationality_0

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