Cheeseburger Dilations: Grid Picture Activity; Geometry, Transformations

Cheeseburger Dilations: Grid Picture Activity; Geometry, Transformations
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I use this activity to emphasize that dilations can be reductions or enlargements. I print 6-10 copies of page 2, “Cheeseburger”, in color and laminate them. Those represent the “pre-image” for students to share while dilating.

I have students reduce the picture first individually. The “Reduce” page (pg 3) has 4 copies per page for multiple printing purposes.

I then split the class into groups of 4 and have the groups complete “Enlarge 1”. There will be one page per person.

Finally, I split the class into groups of 9 and have the groups complete “Enlarge 2”. Again, there will be one page per person. Group sizes do vary, depending on class size from year to year, but I tend to let fast finishers do more than one page for their group, if needed.

The grids on Enlarge 1 and Enlarge two papers can be cut out and taped together to form larger cheeseburgers for display! My students love this activity AND my administrators love to see the finished products in the hallway!
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30 pages
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