“…Studies show that tangrams inspire children's observation, imagination, shape analysis, creativity and logical thinking (Olkun et al, 2005;Yang and Chen, 2010). Accordingly, learning geometry with tangrams can help children to develop their skills of geometry vocabulary, shape identification, shape orientation and discover relationships between and among the 2-dimensional geometric shapes (Bohning and Althouse, 1997;NCTM, 2003).…”