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  • SUMA Y RESTA DE NÚMEROS DECIMALES > PROYECTO 3: NÚMEROS DECIMALES
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      SUMA Y RESTA DE NÚMEROS DECIMALES
      PROYECTO 3: NÚMEROS DECIMALES
      Without background sound

      9. Suma y resta de números decimales

      P

      Cuando queramos sumar y/o restar números decimales deberemos escribir cada valor en forma vertical de modo que la coma quede en la misma columna (incluso si la parte entera de un nº decimal tiene más cifras que el del otro).

       

      A continuación (si es necesario) igualaremos el número de cifras decimales añadiendo uno o varios ceros al decimal que tenga un menor nº de cifras decimales hasta que se igualen (recuerda que el cero añadido a la derecha de un decimal no cambia su valor).

      Sumamos como sueles hacerlo (decenas con decenas, unidades con unidades, décimas con décimas….) sin tener en cuenta la coma que añadiremos al final en la misma columna en la que se encuentra

      Ejemplo: Vamos a realizar la suma siguiente 2,63 + 9,358

      Si hubiera que sumar varios decimales se hace lo mismo añadiendo a cada uno los ceros necesarios hasta que todos tengan el mismo nº de cifras que tiene el que más tiene.

      Ejemplo: Vamos a realizar la resta siguiente 12,63 - 5,3586

       

        https://youtu.be/H0Tn1w6cbwU

      RECUERDA:
      SUMA Y RESTA DE NÚMEROS DECIMALES
      PROYECTO 3: NÚMEROS DECIMALES
      Without background sound

      RECUERDA:

      P

       

        ACTIVIDADES 

      SUMA Y RESTA DE NÚMEROS DECIMALES
      PROYECTO 3: NÚMEROS DECIMALES
      Without background sound

       

      0
      1. Suma o resta en tu cuaderno y completa los números decimales que se indican (hazlo en tu cuaderno pero recuerda que debes poner los números en columna tal y como se te ha explicado. 

      • 2,5 + 6,89 =
      • 3,72 + 1,43 =
      • 0,654 + 25,26 =
      • 312,6 + 31,45986 =
      • 23,28753 + 8,63 + 0,127 =
        25,914, 344,05986 9,39 32,04453 5,15

        3 attempts
      Done
      SUMA Y RESTA DE NÚMEROS DECIMALES
      PROYECTO 3: NÚMEROS DECIMALES
      Without background sound

       

      0
      1. Realiza las operaciones siguientes en tu cuaderno y relaciona con su correspondiente resultado. 

      • 3,726 + 1,43 + 1,04 + 22,6574 =

      • 2,5 + 12,67 – 3,1234 =

      • (27 – 2,45) – 13,184 =

      • 28,8534

      • 11,366

      • 12,0466

      Done
      9. Suma y resta de números decimales
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