Teacher resources and professional development across the curriculum

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CommunicationSession 02 Overviewtab atab btab cTab dtab eReference
Part D

Applying Communication
  Group Test | Parabola Solution | Classroom Practice | Communication in Action | Classroom Checklist | Your Journal

 
 

Now that you are familiar with the standard and some of its aspects, how would you apply it in the classroom?


Consider this scenario, an Algebra II/Trigonometry course is coming to the end of a unit on mathematical modeling and functions. Part of the semester final will be given as a group test. The students will work together to solve the test problems using graphing calculators and the teacher will circulate among the students.


Here is one problem on the test:


Consider this sequence of values from n = 1 to n- = 10.


11.25, 10, 9.25, 9, 9.25, 10, 11.25, 13, 15.25, 18, . . .


a. Graph the sequence


b. Find the equation of the curve.


c. Determine the value of the 100th term of the sequence.


Take a moment to set up and explore this problem for yourself. You may wish to work out a complete solution on your own or follow the solution skeleton in the flash demonstration on the next page. When you are ready, move on to the next page.

Next  Explore the solution to the problem

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