Reflection: Continuous Assessment Wax Paper Activity (Day 2 of 2) - Section 2: Find equations of Conic Sections


As students are working I am analyzing what the students are understanding. When I saw how this group was approaching the problem I became a little worried. This group has one student whose knowledge is far above the others.  This group expects him to teach what them what we are learning.  As I watched at first I thought he was doing all the computations.  I soon decided he was making them tell him what to write. 

What I found interesting is the students were doing these problems and did not have any of their designs on grids.  I was not sure if they had estimated the values for the center, vertices and foci but I let them continue to work.

As the group progressed and began putting their designs on the page, I noticed the equations on the poster were different than the ones they worked with earlier.  When I questioned the group. They explained that once they put the designs on the coordinate system some of the key features coordinates changed so they had to change their equations. 

This group had planned out the poster but had not realized they needed put the conics on a grid before writing the equations. They did however understand that their graphs did not match the equations before they finalized the project.

  Continuous Assessment: Interesting process
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Wax Paper Activity (Day 2 of 2)

Unit 5: Conics
Lesson 12 of 13

Objective: SWBAT find equations for conic sections.

Big Idea: How can I put a conic on a coordinate plane so that an equation can be found?

  Print Lesson
1 teacher likes this lesson
Math, conic sections, circles, ellipse, parabola, hyperbola, Conics
  83 minutes
conics example
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