1. CCGPS Analytic Geometry
Unit 1C | Lesson 1 | G.SRT.1-3 Dilations in the Coordinate Plane Daily Agenda
Bell Ringer
Activator: Solve the problems on Ratios– (8 mins)
Dilating a Rectangle - Activity - (10 mins)
Why Dilate?
Instruction: Dilations & Extending Dilations to Similar Polygons (20 mins)
Begin Dilations in the Coordinate Plane Task (30 mins)
Review: Ratios and Dilations | Similar Polygon Dilations Comparison - W/sheet - (15mins)
TotD: EOC Prep Question(s) (10 mins)
H/W: Complete C/W
CCGPS Analytic Geometry

3. Dilating a Circle (Construction Activity)
Review
Dilating a Circle (Construction Activity)
You will need a pencil and straightedge.
Find

4. Activator
Why Dilate?
Some photographers prefer traditional cameras and film to produce negatives. From these negatives, photographers can create scaled drawings.

5. Activator
Why Dilate?
Scientists need to understand dilations when examining organisms under a microscope.

6. Activator
Why Dilate?
Crime labs investigate DNA, hair samples, and fingerprints to solve cases.

7. Activator
Why Dilate?
Architects design buildings and structures on the computer and create blueprints from which builders and engineers construct.

9. Dilations in a Coordinate Plane
Warm Up
Dilations in a Coordinate Plane
Begin working on your task handout. Pair with your elbow buddy.
You should complete the graphing of the ordered pairs.

10. CCGPS Analytic Geometry
Unit 1C | Lesson 1 | G.SRT.1-3 Dilations in the Coordinate Plane Daily Agenda
Bell Ringer
Activator: Solve the problems on Dilation – (8 mins)
Review the Dilation on a Coordinate Plane - Activity - (15 mins) (Collect W/sheet)
Instruction: Extending Dilations to Similar Polygons (20 mins
Complete the Dilation Class worksheet (30 mins).
TotD: Take the Weekly Quiz (CFA) - (20mins)
H/W: Complete C/W
CCGPS Analytic Geometry

11. Key Concepts The image and pre-image of a figure are similar
Instruction
Key Concepts
The image and pre-image of a figure are similar
A dilation with center C and scale factor k
This is a type of transformation, not rigid, but non-rigid
A dilation is a reduction if 0<k<1 (fraction)
A dilation is an enlargement if k>1

12. Instruction
Key Concepts

13. Instruction
Key Concepts

14. Work on your classwork. (Pair- Share time)
Instruction
Guided Practice
Work on your classwork. (Pair- Share time)
- Complete your TotD - Weekly Quiz.

15. Complete what you don’t finish for homework.
TotD
EOCT Prep Question
Complete what you don’t finish for homework.