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MA.2

Furma e spazi

B

Perscrutar ed argumentar

2

Las scolaras ed ils scolars san controllar deposiziuns e furmlas da relaziuns geometricas, cumprovar cun exempels e motivar.

renviaments

AS

MA.2.B.2

Las scolaras ed ils scolars ...

 


a

  • san perscrutar e descriver caracteristicas da figuras e corps (p.ex. cun far permez in quadrat datti tranter auter trianguls u rectanguls).

2

b

  • san applitgar strategias euristicas: midar lingias ed anguls, skizzar exempels, cumparegliar figuras e corps.
  • san controllar raits dal cub e dal quader cun faudar.
orientierungspunkt


c

  • san verifitgar deposiziuns tar relaziuns geometricas en il triangul, en il rectangul ed en il rudè (p.ex. in rudè ed in rectangul pon sa tagliar en dapli che 4 puncts).

d

  • san verifitgar deposiziuns sco era furmlas da la circumferenza e da la surfatscha per il quadrat ed il rectangul e motivar u refutar (p.ex. en rectanguls e quadrats sa taglian las diagonalas en in angul dretg).

3

e

  • san applitgar strategias euristicas: planisar, skizzar, examinar exempels, lavurar vinavant, lavurar enavos d'ina soluziun supponida.
  • san cumprovar deposiziuns tar furmlas da las surfatschas per il triangul ed il qadrangul cun skizzas e models (p.ex. las diagonalas decumponan in rectangul en quatter trianguls da medema surfatscha; la surfatscha d'in rombus è la mesadad dal product da las lunghezzas da las diagonalas).
orientierungspunkt


f

  • san descriver furmlas e caracteristicas geometricas cun exempels
    (p.ex. la furmla da la surfatscha per in triangul; egualitad da la lunghezza da las quatter diagonalas dal quader; en in triangul rectangular èn ils dus anguls gits ensemen 90°).

g

  • san explitgar furmlas dal volumen per prismas e piramidas (p.ex. decumponer in cub cun tagliar quel en piramidas e calcular lur volumen).
  • san cumprovar teorems davart la geometria planiva cun exempels e chapir las argumentaziuns (p.ex. teorem da Pythagoras, teorem dals anguls periferics, teorem da Thales).

h

  • san cumbinar savida geometrica ed algebraica e trair conclusiuns (p.ex. en in triangul rectangular e simmetric na pon betg tut las lunghezzas da las varts esser dumbers entirs).