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MA.1

Dumber e variabla

A

Operar e numnar

3

Las scolaras ed ils scolars san adir, subtrahar, multiplitgar, divider e potenziar.

renviaments

AS

MA.1.A.3

Las scolaras ed ils scolars ...

1


a

  • san dublegiar, smesar, adir e subtrahar en il dumber da spazis fin 20 senza dumbrar.

b

  • san adir e subtrahar senza transport dal diescher fin 100 senza dumbrar (p.ex. 35 + 13).
  • san cumplettar sin il proxim diescher.
  • san dublegiar (dumbers da 5 e da 10) e smesar (dumbers da 10) fin 100.
  • san divider dumbers da duas cifras en dieschers ed iners (p.ex. 25 en dus dieschers e tschintg iners).

c

  • san dublegiar, smesar, adir e subtrahar en il spazi da dumbers fin 100.
  • enconuschan products dal pitschen amulain cun ils facturs 2, 5 e 10.
  • san divider products dal pitschen amulain en facturs (p.ex. 36 = 6 · 6 = 4 · 9).

2

d

  • san inditgar vias da far quint per adir e subtrahar sco era controllar resultats.
  • san adir e subtrahar en scrit.
  • enconuschan ils products dal pitschen amulain.

e

  • san adir e subtrahar a chau dumbers fin 4 cifras (p.ex. 320'000 + 38'000; 402 + 90).
  • san multiplitgar dumbers da fin a 4 cifras (a chau u cun inditgar atgnas vias da far quint, p.ex. 45 · 240).
  • san divider dumbers natirals cun divisurs d'ina cifra (a chau u cun inditgar atgnas vias da far quint, p.ex. 231 : 7.
orientierungspunkt


f

  • san adir e subtrahar dumbers decimals da fin a 5 cifras (a chau u cun inditgar atgnas vias da far quint, p.ex. 30.8 + 5.6).
  • san scursanir, schlargiar, adir e subtrahar fracziuns cun ils numnaders 2, 3, 4, 5, 6, 8, 10, 20, 50, 100 cun agid dal rectangul.
  • san far operaziuns da basa cun il calculatur.

g

  • san multiplitgar dumbers decimals da fin a 5 cifras e controllar ils resultats (a chau u cun inditgar atgnas vias da far quint, p.ex. 308 · 52; 12 · 0,3).
  • san multiplitgar fracziuns cun ils numnaders 2, 3, 4, 5, 6, 8, 10, 20, 50, 100 cun agid dal rectangul.
  • san scriver fracziuns cun ils numnaders 2, 3, 4, 5, 6, 8, 10, 20, 50, 100 sco dumbers decimals.
  • san inditgar quantas giadas che fracziuns da tschep èn cuntegnidas en dumbers entirs (p.ex. Quantas giadas è ⅕ cuntegnì en 2- → 2 : ⅕).

3

h

  • san far quints da pertschients cun il calculatur.
  • amplificaziun: san decumponer dumbers natirals en facturs primars.

i

  • san far las operaziuns da basa cun dumbers raziunals.
  • san calcular ragischs e potenzas cun il calculatur (p.ex. 4³ · 4³ = 4'096; 4³ + 4³ = 128; ³√8000).
  • amplificaziun: san far las operaziuns da basa cun fracziuns ordinarias cun variablas ed alura inserir dumbers: ;; ; .
orientierungspunkt


j

  • san transfurmar e calcular terms cun potenzas e ragischs quadratas
    (p.ex.; ).
  • san adir, subtrahar, multiplitgar, divider dumbers en scripziun scientifica.