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```					                             Daily Lesson Plan (lesson 5.6)
Date: 11/12/2003                 Course: Informal Geometry                    Period: 6th

   Student Objectives/AKS
 to recognize and use overlapping congruent and similar triangles
 to write the correspondence between congruent triangles correctly

   (AKS) to use transformational geometry to show congruency and
similarity (QCC 2003 – 20)
   (AKS) to classify triangles and polygons (QCC 2003 – 24)
   (AKS) to apply properties of logic (QCC 2003 – 27)

   Opening Activity/Purpose
(to involve all students, purpose could be to find readiness for objective)

   Have students explore overlapping congruent triangles by constructing
the “star logo” pattern on page 282.
Students are given cut outs of a pentagon, and three different triangles and are
told to trace these cut outs to produce the “star logo” in three different ways by
using the triangles one at a time with the pentagon.

   Developmental Activities:
(cues, reinforcement, practice, feedback, involvement)

   Students will practice noticing overlapping congruent triangles in
various figures with guidance and discussion
   Students will practice how to write that triangles are congruent.
The fact that order matters in writing the correspondence of congruent triangles
will be stressed.
   We will work through a real-life application of noticing overlapping
congruent triangles using the real estate examples numbered 18 and
19 on page 284.

   Closing Activity:
(to involve all students and to identify student’s success with daily objectives)
   Students will be given an end-of-section worksheet dealing with
recognizing overlapping congruent triangles in various figures and
correctly writing the correspondence.
   Assignment/Purpose
 Students will finish the worksheet mentioned above for homework to
further investigate the topic

   Activity for the Last Five Minutes/Purpose
 Summarize the topic by stressing the importance of writing congruent
triangles in the proper order. ORDER MATTERS
 Give insight into tomorrow’s lesson covering Section 5.7 involving the
Angle-Angle-Side Congruence Theorem (AAS).

```
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