1. What do you see in this picture? What Other observations can you make? What do you think is happening in this picture?

2. Now What observations can you make about the picture? Can you make any conclusions about the picture?

3. What do You expect to be in the missing chunk of the picture?

4. What connections can you make to what you see in the picture and mathematical concepts Egypt. Pyramids of Gizeh. The Great Pyramid. Reflecting pyramid & mounted camelman.

5. What Comparisons can you make between this picture and the previous picture? Name some other mathematical concepts you see in the pictures. Na Saimenskom ozerie

6. Line of symmetry Mirror Lake, Yosemite

7. Where is the line of symmetry in the picture below? Sullivan Machinery Company's works

8. How many lines of symmetry can you find in these picture? Washington Monument. View of Washington Monument at night in reflecting pool Lincoln Memorial. Front of Lincoln Memorial reflecting in pool II

9. What are some other examples of reflectional symmetry? [Yos]emite Falls in reflection

10. Horydczak, T. (ca. 1920-ca. 1950). Lincoln Memorial. Front of Lincoln Memorial reflecting in pool II. Library of Congress: Prints & Photographs, Horydczak Collection.Lincoln Memorial. Front of Lincoln Memorial reflecting in pool II. Horydczak, T. (ca.1920-ca.1950). Washington Monument. View of Washington Monument at night in reflecting pool. Library of Congress: Prints & Photographs, Horydczak Collection.Washington Monument. View of Washington Monument at night in reflecting pool. Matson Photo Service. (1934-1939). Egypt. Pyramids of Gizeh. The Great Pyramid. Reflecting pyramid & mounted camelman. Library of Congress: Prints & Photographs, Matson (G. Eric and Edith) Negatives.Egypt. Pyramids of Gizeh. The Great Pyramid. Reflecting pyramid & mounted camelman. Patch, H. L. (n.d.). Sullivan Machinery Company's works. Library of Congress: Prints & Photographs.Sullivan Machinery Company's works. Prokudin-Gorskii, S. M. (between 1905 and 1915). Na Saimenskom ozerie. Library of Congress: Prints & Photographs, Prokudin-Gorskii Collection.Na Saimenskom ozerie. Unknown. (c1906). [Yos]emite Falls in reflection. Library of Congress: Prints & Photographs.[Yos]emite Falls in reflection. Watkins, C. E. (ca. 1865). Mirror Lake, Yosemite. Library of Congress: Prints & Photographs.Mirror Lake, Yosemite.