4, Lesson 4, Unit 2, Grade 8, OpenUp icon
Instructional Activity

Card Sort: Matching Dilations on a Coordinate Grid

Lesson 4. Unit 2. Grade 8 Open Up Resources

Open Up Resources15 min(s)

This Instructional Activity is a part of the Lesson 4, Unit 2, Grade 8. In the previous task, students worked on a square grid without coordinates. This activity adds the structure of coordinates and this extra structure plays a key role, allowing students to name points. Students match figures with their dilated images, using coordinates to describe the center of dilation and the vertices. The same strategies that were used previously in dilating images,on a circular grid and with no grid, will be useful here.

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