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

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