Reflection: Exit Tickets Introduction to Transformations - Section 5: Ticket Out the Door


I was pleased with my students' exit tickets.  They seemed to have a good understanding of the vocabulary and of the effects that transformations have on the size of the objects being transformed.

However recently I was at a gathering of some math teachers, all teachers in New York State, and was informed that the word isometry is "out;" that Common Core dictates that we must now use in its place the phrase "rigid motion."  I guess I didn't make that connection; however I will try to use both phrases in this unit, as my students will not be taking an end-of-the-year assessment based on the Common Core until 2015 and might, therefore, see isometry on their Regents exam.

  Exit Tickets: Thoughts on the Ticket Out the Door
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Introduction to Transformations

Unit 4: Transformations
Lesson 1 of 6

Objective: SWBAT perform the various transformations upon points, segments, and polygons.

Big Idea: Students are introduced to the notion of rigid and non-rigid motion, including translations, rotations, reflections, and dilations.

  Print Lesson
Math, Geometry, Symmetry, Constructions and Transformations, translations, rotations, rigid motion, transformation, reflection, dilation, isometry, orientation, invariant, geogebra
  90 minutes
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