National Council of Teachers of Mathematics
Nctm: Illuminations: 4.4 Developing Geometry Understandings With Tangrams
Students use this interactive website to explore tangrams by connecting the pieces.
Alabama Learning Exchange
Alex: "Tan"
The Chinese character mark formerly known as "Tan" is the first of two lessons to introduce first grade students to geometry using tangrams. This lesson plan incorporates history, math, and language arts. In this lesson plan students...