A geometria é, frequentemente, ensinada no quadro negro ou através de livros didáticos. Quando se trata de figuras planas esse método não representa grande dificuldade para o aprendizado da criança. Mas o mesmo não se pode dizer quando se deseja ensinar os elementos da geometria espacial. Portanto, neste material, sugiro a utilização de canudos de refrigerante na montagem de estruturas geométricas, como a mostrada na figura abaixo.
Pode-se ensinar geometria espacial por intermédio da montagem de sólidos, em que a criança recorta um desenho numa folha de cartolina e, através de dobraduras e colagem, monta um sólido geométrico. Porém, a atividade que é proposta aqui, além de possibilitar que a criança construa estruturas e "brinque" com a geometria espacial, torna possível a visualização de alguns elementos que na atividade com cartolina são menos notados. Estes elementos são as arestas e os vértices dos sólidos.
Leia mais sobre o assunto - Clique aqui ->: http://www.facil.webs.com/canudos/canudos.htm
Sólidos geométricos são regiões do espaço limitadas por uma superfície fechada e que contém três dimensões, sendo elas:
- largura
- altura
- comprimento.
Há dois tipos de sólidos geométricos. Poliedros - São todos os sólidos que têm superfícies planas.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgm3D0p0VFz3sRnBv-j7phhHCXmwJEU5nDnkx37l6jnGxXJ7C810ynx6xOOyrc3UG0EDzgXrryYUpm7Vv6lCRV1iqr-qRS764dfv2V8PB8BfUTEE1A1x-hoHpsT6tWJhj49Zv1FGg/s400/Fig3.png)
Podemos observar três outros conjuntos de sólidos: os prismas, as pirâmides e os outros poliedros. Em alguns poliedros, todas as faces são polígonos regulares geometricamente iguais e emcada um dos seus vértices encontra-se o mesmo número de arestas. A estes poliedros chamamos Poliedros Regulares. Estes são também conhecidos por Sólidos Platónicos.
Não Poliedros - São os sólidos que possuem pelo menos uma superfície curva.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhG0NgTz_7E_aZbAsLjgSMaX9U_DqZkRm4SJLo2t2ZCc7sOiusx8UzyTQ9RI7OBwtUIyEMD-2-J3xUsrFQCPyT6d8vupZwMAGqnGO88rqEr3jyc9xOI4DIwRy0jsBvvE9FiBXVYKw/s400/Fig5.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIonB4Uk7jHIN24mKNvkO_pLiYfCodlT5hPf1ez89ov-nWifOpOaUT1LDr3MLWX2UvaZ2n9cMinMYorKNHbNIfUxnBkcWCfZ0o11gQGLjv4DU0VlLLAQSbP_mYWfNHZWOxpbeNpQ/s400/Fig6.png)
Veja as fotos dos alunos, 4º Ano C, período da manhã, construindo Sólidos Geométricos com palitos de madeira, pedaços de isopor, massinha de modelar e canudinhos de refrigerante:![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf8AScEbWlQGWPEYwPMdYez3BfTZz1QF-pDn1f56kCT_05nssP1GObHUTeJm4B8n4MzQMYnKpnZsMQKsEXShyphenhyphen5VA0rNkuvFL3rjGfExkTotigyc0dr27f-04-6xWrnR4ahlQtfdw/s400/DSC00310.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx0KJYK-t0YvzbwToGsL4T3oc7_V3bTh3DnLxoIqIDYui-twtCVV1dc5fcyYheGzSVDj3kOxJLFGQ3Y3UjW5Zbl92O4PHoK1OOT2XsutiZeMfl2oQPlkvplK8vnfQknnPntuXpzw/s400/DSC00293.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioMGkRQxclUN2scelmssKsXTYKi8x0FKY5tjmmoA4GH9orANISOxtf1sGC1LGh0JAqgqT8ofTk_S-DfJRt-75ixF-upKE6Jsz0zytPsaZ1DXo4DXp3-PniReTwbTmA3eV45oboUA/s400/DSC00294.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5ONBtjC0mU0fKJ-dDIoDIeEPDgUX-D8rcHnqJ5STtehjfbb0seiU2loNsu63VwvtGZIwHyaEj0Y33urVwHRwGjoOMMBErxK6qn3JCObVxOEujDfm0UzZD7WjKE8ABoxCeFERxeg/s400/DSC00290.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkYywS3eb31WTn5QIm-dle-wHZgsuaJfa60vXEsLyHTEakAAscMJvGh5p-_8-2bQ9CLuSejfXDhE0plnlT8CbCDrik7xbWBrFuWxOD4IOe9uqJg2VLZR-CxEKByMPIyQOHBuaVcA/s400/DSC00296.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioZT0_QF8Ob29PPW8B1XoGiEbJU75ozlPmdT2FwFpxCQaR-6cYs7PySTr7jgxNiHODIrvqAo0BjeStVOG_bJJFnmCB2cn4_bDGiU3mdCoQgEWIYn7bZ1bGpkqYjrBoMIIIFH-3xw/s400/DSC00297.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisSnit1p5c1Zc5Dr9LkP3EFay34giuw6nBZ3Pf5rxz5_tMDRjWvsOIa0xVFGdXNsu0jbaChetDgvDhxiGNzoz20gML2_uWq8bSjqKUXXDlMAHAZ4Hf5lrQgCAjKJ3TAze8AbAthg/s400/DSC00298.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHsa4E1XumEtd6uAe899uP-6YCXE8LobQ9lld79SX54RFRcks-FnaETZdgmw0Og-MOXXgJar63NojPDJQvKnbGp7EpHYETJt7Tgwiq5-Akrex2SY1BOHsO2RmwtkW94DlL1160YA/s400/DSC00299.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9YtK8kRYrauBpsizfL2ErZKZSSYPxVqCDpfU14M0Sk2zkdOi_Md0sDnMfjBKmfq8qSoYGEYg5BZk8lyuILZ0TkngJ1qGDugYr-Rv8XesrFU15f-k2RywBcK02JTekGsUF2gfgcw/s400/DSC00295.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCXBeH0lABySjRc8HcfJplGXRQoQXkOkvOBAGqhvpcudw0auKYp_29lvUGxAfFK_MinwmJ_bJ6_XcmY5P3GjnZUKGaR3u8wiNeDXyOY_-CEX_EpVEIt0tpfJ1OUk03PvVMU06I0g/s400/DSC00301.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLemzF4U-wl5-QqS2SJNMoPf9lxHh_X8xM9Fz4lHmzZ1cUxqqHG2lH8I1wIPxrdW4tO-JY0AbrKm8-_RqyzDJDqNRRceqPNmPC8xO7Zf0GZ0UIphSlctw4k5hJ3lldseFuqz8-2w/s400/DSC00302.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgC36DAkmpAxMPsw8qddxCA9-WRH4cN3mZdjptKLLO3G_50Ta8EzcKe2pfqJEn10xbqQdfMV_cSpFanOKX9megbWoMbh19tWKRiu14mSmiQ6xi5WlzbOMdK4YXrcMTtSLoL_omwMw/s400/DSC00303.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6_-6QwJQwnF_IqZuWtMi9qZy50QKewp4MlAQpKs1uTNCy1kGgFIDBsHyHraejA1YUzYWzczCEXWOUwK3kZ9ywEW6PAVULlMNfJLjytEV8KuVURgEa8PWGwrkVgJ5pIOrIsaSIFA/s400/DSC00304.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3YCFzrttJIysJaziFze_Whls5oJJizBG5GGDxALsof3gdSZ0SZ1s4VehCclaTW4g4h9Umq3anNiZDEAfM0xNkkMvA_gwz9DvYjkrm9zw6FxF4XBO5VdgAKBZUX-yoBPG2JpYCrg/s400/DSC00300.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1Y4pdFsqocNjYAho8aUM1Qwv4l-_JlyFzyTffJmnO8roVg9lXvsT-ZkUhm3HZqgLN-GDfCX2owKmHJpo-P7iPbYDlW0ivnIuhnrCW-NwhetPthpcDojoB5pY4Hv0x4rizTHkk_A/s400/DSC00306.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxrHco3XXwLDerO7ia52EcNxMI0webF1B7VgeatdxEAyDPGlkstWNjndPzsaf8gv8FvRBAPTxw9Hcg3ZkML4c7AsJ2U-iT4-_Bs7Rwi8V-1pv9L4lYRbsjm2i-hrC0AR-j4_qgeA/s400/DSC00307.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrBzQTrI83BaAgSnNnQsJA_xr5r2d795MyxJiVkXk9zmAl83NGxM10yfdQ6uukEyFOtYi6uMkbtF9nwYQPJGYeAGoSbnoZl4EbfaQQc5vICuIUPYXsxn4b2otpP_dM0l7Bl5YPbw/s400/DSC00308.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpqfAapfnvnu5R7TvdxEUralZfW9ovhCZqQV72eLSJgW9ZFp6FplBtrt6qZVE8G4VW9PV_U-ItseoeVWvng61Vlcl7MxbOgAYioPg72qKR1EdenfsJ_sHPIo9VvlOJxkiKEKOPmA/s400/DSC00309.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgubPS5RrfKhI-xPcZsfOsuD5VRyeUybE7FY4U4OUh7CNSWUvhZVa7NqKSyyNMcJVX0kCy3JxLm8oE9XBBEpy3A42G5T6OiSPeSsGJ1_3gV8ztzRuAUMmRFjC6MvexQzoDzUN2tSQ/s400/DSC00305.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZVuHAplJ1LNAjxUX7SACgWeH3AVCHvNZ7OWjxIOHVuY8eCn0fpk6bLL6wRh-a9ul3NcMI2JNPBwUVfra_jK4FWLNi0DI6XO665E5Z_WHlYtSCC4ww9LIUB-BsFSfD5PT9JAkqEg/s400/DSC00311.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilUAoPiO8irUpegPkxHx51XwfDWgFdr3lZo2VTCJEJwhnn4_cuvpoNRnAXIZjqZAaBu_kcyMN7IB02z9bRCkEFo9a9i5yLimSDESMPB-u9Y6lwJURYHw-lEe0my5OBKKExcnYifw/s400/DSC00312.JPG)