O Tangram e as Frações

Fonte das Imagens:

https://www.google.com.br/search?q=Imagens+as+fra%C3%A7%C3%B5es+e+o+tangram&biw=1366&bih=623&tbm=isch&imgil=jl4mRkzonLd5RM%253A%253BbJqZ-b9v-TSyOM%253Bhttp%25253A%25252F%25252Fwww.matematica.seed.pr.gov.br%25252Fmodules%25252Fconteudo%25252Fconteudo.php%25253Fconteudo%2525253D175&source=iu&pf=m&fir=jl4mRkzonLd5RM%253A%252CbJqZ-b9v-TSyOM%252C_&usg=__xaUAV2Kpqt1nmbHZP34kHd8yFBs%3D&ved=0ahUKEwjjusLvsp_MAhUFiJAKHSmJBEIQyjcIMQ&ei=qZoYV6PCDYWQwgSpkpKQBA#imgrc=jl4mRkzonLd5RM%3A