In this optical illusions learning exercise, learners try to draw the illusion asked and discuss more illusions with their classmates. Students answer 4 problems.

In this algebra worksheet, students rewrite word problems using algebra symbols. There is an answer key with this problem.

Students investigate the symmetry that is found in nature. They view shapes and patterns in nature while looking at images. Students look for tessellations while obtaining photographs with a digital camera. The information is used for...