On the left side of the original triangle, students drew a non-curved line from top to bottom. On the right, a combination curved and straight line was drawn top to bottom. Discovery Students began to look for something in their shapes, rotating their papers upside down, right, left and right-side up. Tablemates can help one another to discern an image in the pattern. For those who see nothing, taping the work to a wall and stepping back helps.
Students decide which way their positives and negatives are most easily seen together.
A few details can be added to help the viewer to identify the creature, animal or object. Using smaller paper and fewer lines, tessellations can be presented at the elementary and middle school levels as well. Values Inherent in this Unit 1. Students learn about Escher and seem fascinated with his work. Students who lack confidence in art automatically find things in their evolved shapes.