Slide 1FeatureLesson Geometry Lesson Main Tell what type(s) of symmetry each figure has. 1.D 2.O reflectional: horizontal line of symmetry reflectional: horizontal and vertical…

1. Dilations and SimilarityMr. Saucedo - GEOMETRY - Milby High School 2. OBJECTIVE:•To identify and construct dilations. 3. • A dilation is a transformation that changes…

Slide 1Dilations: (Stretching/Shrinking)  Dilations use a scale factor to reduce or enlarge shapes.  Every dilation has a center and a scale factor. Most of the time…

Nuts and Bolts of Teaching, Observing, Volunteering, and Tutoring Abel Villarreal Sharon Duncan Center for Teacher Certification Austin Community College Part 2: Taking Students…

Clusters: 1. Understand similarity in terms of similarity transformations 2. Prove theorems involving similarity. 3. Define trigonometric ratios and solve problems involving…

Geometry – Agenda Number Talk Expectations Number Talk Discuss Tests from yesterday (Good News!) Discuss Objective Lesson on Dilation Exit Ticket Homework! Number Talk…

Week 18 DCA Review Grade 8 The two rectangles shown below are similar. Find the length of segment EF. F E H G A B C D Perimeter = 78 in 24 in 8 in At Columbus Middle School…

Chapter 9 Chapter 9 Transformations An operation that moves or changes a geometric figure (a preimage) in some way to produce a new figure (an image). 4.8 Transformations…

An operation that moves or changes a geometric figure (a preimage) in some way to produce a new figure (an image). Congruence transformations Changes the position of the…

PowerPoint Presentation Eighth Grade Unit 1 Transformations Warm Up Homework Check 3 1/3 Dilations on the Coordinate Plane Take one point on the pre-image and compare the…