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  1. Path of Life III‏‎ (03:30, 11 January 2007)
  2. Development I‏‎ (03:37, 11 January 2007)
  3. Plane Filling Motif with Reptiles‏‎ (04:17, 15 January 2007)
  4. Castrovalva‏‎ (02:41, 16 January 2007)
  5. Cycle‏‎ (03:13, 12 February 2007)
  6. Three Worlds‏‎ (00:09, 23 February 2007)
  7. Regelmatige vlakverdeling, Plate I‏‎ (02:20, 28 February 2007)
  8. Aula Mural Design‏‎ (03:07, 5 March 2007)
  9. Division‏‎ (02:57, 10 March 2007)
  10. Double Planetoid‏‎ (02:14, 22 March 2007)
  11. Sphere with Angels and Devils‏‎ (02:31, 22 March 2007)
  12. Gravitation‏‎ (01:02, 24 March 2007)
  13. Study for Stars‏‎ (01:56, 2 April 2007)
  14. Concentric Rinds‏‎ (02:10, 2 April 2007)
  15. Möbius Strip II (Red Ants)‏‎ (02:16, 2 April 2007)
  16. The Last Supper‏‎ (02:06, 4 April 2007)
  17. Fifty Abstract Paintings...‏‎ (02:14, 4 April 2007)
  18. Crystal‏‎ (02:24, 4 April 2007)
  19. Santiago el Grande‏‎ (23:03, 17 April 2007)
  20. Depth‏‎ (01:23, 20 April 2007)
  21. The Announcement of the Virgin's Death‏‎ (01:37, 20 April 2007)
  22. Tower of Babel‏‎ (21:54, 20 April 2007)
  23. Other World‏‎ (22:06, 20 April 2007)
  24. Gallery‏‎ (22:13, 20 April 2007)
  25. Curl-up‏‎ (22:36, 20 April 2007)
  26. Cube With Magic Ribbons‏‎ (22:47, 20 April 2007)
  27. Dragon‏‎ (01:57, 25 April 2007)
  28. Encounter‏‎ (02:03, 25 April 2007)
  29. Doric Columns‏‎ (02:31, 30 April 2007)
  30. Still Life with Mirror‏‎ (02:35, 30 April 2007)
  31. Still Life and Street‏‎ (02:39, 30 April 2007)
  32. The Human Condition‏‎ (03:12, 30 April 2007)
  33. Time Transfixed‏‎ (03:13, 30 April 2007)
  34. Carte Blanche‏‎ (03:15, 30 April 2007)
  35. La Mezquita, Córdoba‏‎ (16:57, 30 April 2007)
  36. The Treachery of Images‏‎ (01:46, 2 May 2007)
  37. Knot‏‎ (02:51, 15 May 2007)
  38. Knots‏‎ (02:52, 15 May 2007)
  39. Tetrahedral Planetoid‏‎ (01:49, 18 May 2007)
  40. Self-Portrait (1929)‏‎ (01:57, 18 May 2007)
  41. Portrait of G.A. Escher‏‎ (02:04, 18 May 2007)
  42. Grading rubric - Dr. Bart -Fall 2007‏‎ (10:10, 4 August 2007)
  43. Triangles and Quadrilaterals Exploration‏‎ (10:34, 13 August 2007)
  44. Flatland and the Fourth Dimension‏‎ (11:06, 13 August 2007)
  45. Paradise‏‎ (20:51, 8 September 2007)
  46. Eight Heads‏‎ (23:39, 8 September 2007)
  47. Butterflies‏‎ (23:58, 8 September 2007)
  48. Self-Portrait (1923)‏‎ (00:22, 9 September 2007)
  49. Secondary Education (9-12)‏‎ (15:37, 27 September 2007)
  50. St. Louis Cathedral Basilica‏‎ (13:34, 28 September 2007)
  51. Convention (Flor de Pascua)‏‎ (16:23, 10 October 2007)
  52. Scapegoat (Flor de Pascua)‏‎ (16:24, 10 October 2007)
  53. Sphere (Flor de Pascua)‏‎ (16:25, 10 October 2007)
  54. Beautiful (Flor de Pascua)‏‎ (16:29, 10 October 2007)
  55. Fish, vignette‏‎ (08:55, 11 October 2007)
  56. Trees and Animals‏‎ (09:03, 11 October 2007)
  57. The Saint Louis Art Museum‏‎ (19:54, 25 November 2007)
  58. The Mobius Band and Other Surfaces‏‎ (12:24, 26 November 2007)
  59. Flatland Exploration‏‎ (17:41, 27 November 2007)
  60. Dimensions Exploration‏‎ (18:15, 2 December 2007)
  61. Inca strip patterns‏‎ (10:48, 4 February 2008)
  62. Butterflies (Color)‏‎ (11:51, 10 March 2008)
  63. Development II‏‎ (01:48, 27 March 2008)
  64. Development II (First version)‏‎ (01:53, 27 March 2008)
  65. Day and Night‏‎ (23:48, 7 May 2008)
  66. Sky and Water I‏‎ (23:58, 7 May 2008)
  67. Sky and Water II‏‎ (00:01, 8 May 2008)
  68. Nieuwe Kerk (Interior)‏‎ (11:02, 8 May 2008)
  69. Welder‏‎ (11:21, 8 May 2008)
  70. Fish, vignette (spiral)‏‎ (11:29, 8 May 2008)
  71. Self-Portrait in Spherical Mirror‏‎ (11:35, 8 May 2008)
  72. Egyptian Mathematics: Geometric information from the papyri‏‎ (11:16, 14 May 2008)
  73. Tiled Column, New Lyceum, Baarn‏‎ (19:35, 15 July 2008)
  74. Sphere with Fish‏‎ (05:55, 16 July 2008)
  75. Wall mosaic in the Alhambra‏‎ (06:10, 16 July 2008)
  76. Tiled Columns, Johanna Westerman School, The Hague‏‎ (07:18, 16 July 2008)
  77. Tiled Facade, Vrijzinnig Christelijk Lyceum, The Hague‏‎ (07:32, 16 July 2008)
  78. Ceiling Design, Department of Agriculture, The Hague‏‎ (07:52, 16 July 2008)
  79. Inside St. Peter's‏‎ (07:58, 16 July 2008)
  80. Elementary Education (K-8)‏‎ (10:45, 6 August 2008)
  81. Cooperative Learning‏‎ (11:10, 24 August 2008)
  82. Quadrilaterals Exploration‏‎ (13:27, 29 August 2008)
  83. Html stuff‏‎ (17:52, 30 September 2008)
  84. Problems‏‎ (16:43, 7 December 2008)
  85. Puddle‏‎ (00:37, 16 January 2009)
  86. Symmetry of Stars and Polygons Exploration‏‎ (08:30, 24 January 2009)
  87. Rotational and Reflectional Symmetry in Escher’s Sketches‏‎ (08:31, 24 January 2009)
  88. Frieze Group Exploration‏‎ (08:34, 24 January 2009)
  89. Frieze Names Exploration‏‎ (08:34, 24 January 2009)
  90. Tessellations, a first look Exploration‏‎ (08:49, 24 January 2009)
  91. Pattern Block Exploration‏‎ (08:53, 24 January 2009)
  92. Archimedean Exploration‏‎ (08:53, 24 January 2009)
  93. GSP Introduction Exploration‏‎ (08:54, 24 January 2009)
  94. GSP Quadrilateral Tessellation Exploration‏‎ (08:54, 24 January 2009)
  95. GSP Triangle Tessellation Exploration‏‎ (08:54, 24 January 2009)
  96. Escher-Like Tessellations Explorations‏‎ (08:55, 24 January 2009)
  97. Escher Tessellations Using Geometer’s Sketchpad‏‎ (08:55, 24 January 2009)
  98. Regular Spherical Tessellations Exploration‏‎ (09:00, 24 January 2009)
  99. Spherical Geometry: Isometry Exploration‏‎ (09:00, 24 January 2009)
  100. Hyperbolic Geometry II with NonEuclid Exploration‏‎ (09:03, 24 January 2009)
  101. Sketches for the Art Project Exploration‏‎ (09:06, 24 January 2009)
  102. Creating Escher-like Tessellations Exploration‏‎ (09:07, 24 January 2009)
  103. Symmetry in Quadrilaterals Exploration‏‎ (09:09, 24 January 2009)
  104. Iteration Exploration‏‎ (09:11, 24 January 2009)
  105. Self Similarity in Advertisement Exploration‏‎ (09:12, 24 January 2009)
  106. Impossible Exploration II‏‎ (09:16, 24 January 2009)
  107. Impossible Figures and Escher Exploration‏‎ (09:16, 24 January 2009)
  108. Möbius Strip Exploration‏‎ (09:18, 24 January 2009)
  109. Egyptian Numbers Exploration‏‎ (09:20, 24 January 2009)
  110. Designs from Ravello‏‎ (17:26, 27 January 2009)
  111. Geometry in Art and in the Real World‏‎ (09:32, 30 January 2009)
  112. The Pyramids‏‎ (10:01, 31 January 2009)
  113. Symmetry Group for Border Pattern Exploration‏‎ (17:23, 3 February 2009)
  114. Regular Triangle Symmetry Group Exploration‏‎ (17:32, 3 February 2009)
  115. More on Isometries Exploration‏‎ (17:47, 3 February 2009)
  116. Steve's Alhambra Pictures‏‎ (12:34, 4 February 2009)
  117. Grote Markt‏‎ (22:10, 4 February 2009)
  118. Nieuwe Kerk‏‎ (22:14, 4 February 2009)
  119. Voldersgracht‏‎ (22:16, 4 February 2009)
  120. Oostpoort‏‎ (22:18, 4 February 2009)
  121. New Year's Greeting Card (Well)‏‎ (22:24, 4 February 2009)
  122. New Year's Greeting Card (Envelopes)‏‎ (22:28, 4 February 2009)
  123. Bat Pattern (Satin)‏‎ (23:25, 4 February 2009)
  124. Lion Pattern (Kakemono)‏‎ (23:25, 4 February 2009)
  125. Lion Pattern (Satin)‏‎ (23:26, 4 February 2009)
  126. Isometry Groups‏‎ (01:01, 5 February 2009)
  127. Tessellation Exploration: The Basics‏‎ (12:34, 6 February 2009)
  128. The Mathematical Papyri‏‎ (22:12, 12 February 2009)
  129. Checking Tessellations Exploration‏‎ (11:12, 18 February 2009)
  130. Squares, Rectangles, Parallelograms and Other Polygons‏‎ (09:06, 19 February 2009)
  131. Circles‏‎ (09:08, 19 February 2009)
  132. Arcs‏‎ (09:08, 19 February 2009)
  133. Congruence‏‎ (09:09, 19 February 2009)
  134. Tessellations by Other Figures‏‎ (09:48, 19 February 2009)
  135. Angles and their Properties Worksheet‏‎ (09:53, 19 February 2009)
  136. Recognizing Polygons Worksheet‏‎ (09:54, 19 February 2009)
  137. Reflectional Symmetry‏‎ (11:46, 23 February 2009)
  138. Portrait of S.A. Escher-Gleichman‏‎ (18:43, 25 February 2009)
  139. Escher Fractal Exploration‏‎ (11:38, 4 March 2009)
  140. Similarity‏‎ (09:03, 9 March 2009)
  141. Lines and Line Segment Worksheet‏‎ (13:03, 10 March 2009)
  142. Rotational Symmetry‏‎ (13:22, 10 March 2009)
  143. Slides, Flips and Turns‏‎ (08:04, 11 March 2009)
  144. Dilation Exploration‏‎ (15:32, 11 March 2009)
  145. Iterative Fractals Exploration‏‎ (16:35, 11 March 2009)
  146. Intro to Reflections Worksheet‏‎ (07:36, 12 March 2009)
  147. Reflectional Symmetry Worksheet‏‎ (07:46, 12 March 2009)
  148. Regular Division of the Plane by Similar Figures‏‎ (13:08, 12 March 2009)
  149. Spherical Geometry: Polygons‏‎ (22:52, 17 March 2009)
  150. Tessellation Worksheet‏‎ (13:44, 23 March 2009)
  151. Ideal Hyperbolic Tessellations Exploration‏‎ (00:04, 14 April 2009)
  152. Euler Characteristic‏‎ (13:06, 6 May 2009)
  153. Circles Worksheet‏‎ (13:11, 6 May 2009)
  154. Circles, part 2 Worksheet‏‎ (13:12, 6 May 2009)
  155. Arcs Worksheet‏‎ (13:12, 6 May 2009)
  156. Congruence Worksheet‏‎ (13:12, 6 May 2009)
  157. Similarity Worksheet‏‎ (13:13, 6 May 2009)
  158. Tangram Worksheet‏‎ (13:13, 6 May 2009)
  159. Rotational Symmetry Worksheet‏‎ (13:14, 6 May 2009)
  160. More reflections Worksheet‏‎ (13:14, 6 May 2009)
  161. Reflections and Rotations Worksheet‏‎ (13:14, 6 May 2009)
  162. Tetris and More Worksheet‏‎ (13:55, 6 May 2009)
  163. Procession in Crypt‏‎ (01:10, 7 May 2009)
  164. Man with Cuboid‏‎ (01:24, 7 May 2009)
  165. Folding Boxes‏‎ (08:19, 7 May 2009)
  166. Tessellation Project (K12)‏‎ (12:21, 7 May 2009)
  167. Two and Three Dimensions‏‎ (13:46, 7 May 2009)
  168. Surfaces and Euler characteristic‏‎ (13:36, 9 May 2009)
  169. Details‏‎ (18:19, 5 August 2009)
  170. Tiling Worksheet‏‎ (14:46, 15 September 2009)
  171. PBWorks Assignment‏‎ (17:30, 13 October 2009)
  172. High School Materials‏‎ (18:48, 15 October 2009)
  173. The Axioms of Spherical Geometry Exploration‏‎ (16:40, 20 October 2009)
  174. Tessellation Project Fall 2009 - Bart‏‎ (08:46, 21 October 2009)
  175. Cathedral Basilica Field Trip and Poster Assignment‏‎ (13:08, 22 October 2009)
  176. Poster Grading Rubric‏‎ (13:23, 22 October 2009)
  177. Exam 2 Outline‏‎ (11:18, 25 November 2009)
  178. Polyominoes Exploration‏‎ (16:12, 2 February 2010)
  179. Regular Tessellation Write-up‏‎ (19:50, 11 February 2010)
  180. Exam I Study Guide - Spring 2010‏‎ (12:51, 16 March 2010)
  181. Hyperbolic Escher Exploration‏‎ (11:21, 12 April 2010)
  182. Frieze Marking Exploration‏‎ (12:56, 30 August 2010)
  183. Frieze and Rosette Group Scavenger Hunt‏‎ (09:27, 3 September 2010)
  184. Wallpaper Group Scavenger Hunt‏‎ (07:35, 13 September 2010)
  185. City Museum 2010‏‎ (09:28, 15 September 2010)
  186. Quadrilateral Tessellations with GeoGebra‏‎ (18:28, 28 September 2010)
  187. Art Project Discussion‏‎ (07:46, 1 October 2010)
  188. Triangular Tessellations with GeoGebra‏‎ (07:47, 1 October 2010)
  189. Creating Tessellation Graph Paper‏‎ (09:05, 1 October 2010)
  190. Exam 1 Study Guide‏‎ (07:49, 4 October 2010)
  191. Mosaic II‏‎ (12:24, 14 October 2010)
  192. Mosaic‏‎ (12:25, 14 October 2010)
  193. Citadel of Calvi, Corsica‏‎ (14:13, 14 October 2010)
  194. Self-Similarity Exploration‏‎ (12:45, 15 October 2010)
  195. Square Limit‏‎ (12:46, 15 October 2010)
  196. Self-Similarity Exercises‏‎ (00:51, 29 October 2010)
  197. Sphere Spirals‏‎ (01:01, 4 November 2010)
  198. Sphere Surface with Fish‏‎ (01:02, 4 November 2010)
  199. Flatworms‏‎ (01:09, 4 November 2010)
  200. Three Intersecting Planes‏‎ (01:21, 4 November 2010)
  201. Order and Chaos II‏‎ (01:28, 4 November 2010)
  202. Odor (Flor de Pascua)‏‎ (01:42, 4 November 2010)
  203. Theosophy (Flor de Pascua)‏‎ (01:43, 4 November 2010)
  204. Weathercock (Flor de Pascua)‏‎ (01:45, 4 November 2010)
  205. Fulfilment? (Flor de Pascua)‏‎ (01:47, 4 November 2010)
  206. (?) (Flor de Pascua)‏‎ (01:49, 4 November 2010)
  207. Whore's Superstition (Flor de Pascua)‏‎ (01:51, 4 November 2010)
  208. Never think before you act (Flor de Pascua)‏‎ (01:56, 4 November 2010)
  209. Madonna (Flor de Pascua)‏‎ (01:58, 4 November 2010)
  210. La Pensee (Flor de Pascua)‏‎ (01:59, 4 November 2010)
  211. Love (Flor de Pascua)‏‎ (01:59, 4 November 2010)
  212. Ghost (Flor de Pascua)‏‎ (02:00, 4 November 2010)
  213. Flor de Pascua‏‎ (02:11, 4 November 2010)
  214. Style Guide‏‎ (02:16, 4 November 2010)
  215. St. Francis‏‎ (02:20, 4 November 2010)
  216. Tessellation Art Project Grading Rubric‏‎ (15:39, 4 November 2010)
  217. Duality Exploration‏‎ (12:49, 5 November 2010)
  218. Hyperbolic Paper Exploration‏‎ (16:03, 8 November 2010)
  219. Carved Polyhedron with Flowers‏‎ (15:59, 12 November 2010)
  220. Stars‏‎ (22:37, 12 November 2010)
  221. Snow‏‎ (22:49, 12 November 2010)
  222. Self-Portrait in a Chair‏‎ (22:53, 12 November 2010)
  223. Self-Portrait (1919)‏‎ (23:01, 12 November 2010)
  224. Regelmatige vlakverdeling, Plate VI‏‎ (23:06, 12 November 2010)
  225. Bond of Union‏‎ (02:58, 14 November 2010)
  226. Balcony‏‎ (03:00, 14 November 2010)
  227. The Bridge‏‎ (03:10, 14 November 2010)
  228. Railway Bridge‏‎ (03:15, 14 November 2010)
  229. Ant‏‎ (03:20, 14 November 2010)
  230. Art and Mathematics Project Gallery‏‎ (12:26, 17 November 2010)
  231. Comparison between the three geometries Exploration‏‎ (12:38, 22 November 2010)
  232. Dream‏‎ (03:31, 23 November 2010)
  233. Castle in the Air‏‎ (03:34, 23 November 2010)
  234. The Drowned Cathedral‏‎ (03:43, 23 November 2010)
  235. Art and Mathematics Project Grading Rubric‏‎ (23:45, 13 December 2010)
  236. Similarity Transformations‏‎ (04:09, 20 December 2010)
  237. Ravello Farmhouse‏‎ (22:54, 5 January 2011)
  238. Symmetry, Escher and Architecture Exploration‏‎ (02:20, 30 January 2011)
  239. Symmetry in Escher's Work‏‎ (02:22, 30 January 2011)
  240. Copy of a previous Final‏‎ (22:09, 10 May 2011)
  241. Quadrilateral Tessellation Exploration‏‎ (23:01, 25 September 2011)
  242. Introduction to Tessellations‏‎ (23:13, 25 September 2011)
  243. Polygon Exercises‏‎ (12:50, 26 September 2011)
  244. Angles of Polygons and Regular Tessellations Exploration‏‎ (13:00, 30 September 2011)
  245. Random Tessellation Exploration‏‎ (15:57, 17 October 2011)
  246. Definitions of Square‏‎ (11:34, 26 October 2011)
  247. Spherical Geometry Exploration‏‎ (11:49, 26 October 2011)
  248. Ivory Ball Study‏‎ (12:24, 31 October 2011)
  249. Polygons in Spherical and Euclidean Geometry Exploration‏‎ (11:25, 2 November 2011)
  250. Aperiodic Tessellation Exercises‏‎ (22:35, 5 November 2011)

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