Working within the context of a contest to find the most beautiful tourist attraction in the world, Year 5 students investigate the most symmetric building from a short-list of three iconic buildings. This involves investigating both line and rotational symmetry in order to make an informed decision about the symmetrical nature of each building.

In the art form of "kolam," dots called "pulli" are arranged in rhombic, square, triangular, or free shapes, and a single, uninterrupted linear or curvilinear line, called the "kambi," intertwines the dots (Yanagisawa & Nagata, 2007). While there are no written or verbally stated rules, Yanagisawa and Nagata have…