PROPORCIONALIDAD

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 PROPORCIONALIDAD
 PORCENTAJES

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RAÍCES

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Para aprender a entender lo que es la raíz cuadrada: 
disfrutalasmatematicas.com/numeros/cuadrados-raices-cuadradas


Algunas propiedades de las raíces cuadradas:
vitutor.net/propiedades_raiz

Para saber más:
tareasfacil.info/matematicas/Aritmetica/raices


Si quieres aprender el algoritmo para 
calcular raíces cuadradas:
www.vitutor.net/1/0_12


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EJERCICIOS

EN EL SIGUIENTE ENLACE, PUEDES PRACTICAR MÁS:

POTENCIAS


INTRODUCCIÓN
Practica con las potencias:


Es importante conocer unas reglas para poder operar con potencias. Aquí podéis encontrar una canción en inglés:


Y para saber un poco más:

disfrutalasmatematicas


A veces es muy útil transformar los decimales en fracciones y así operar con ellos de forma rápida. 

Algunos ejemplos:
m

35 x 0,2 = 35 x 1/5 = 35 : 5 = 7
24 x 0,5 = 24 x 1/2 = 24 : 2 = 12
44 x 0,25 = 44 x 1/4 = 44 : 4 = 11
60 x 0,75 = 60 x 3/4 = 60 x 3 : 4 = 45
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7 : 0,2 = 7 : 1/5 = 7 x 5 = 35
12 : 0,5 = 12 : 1/2 = 12 x 2 = 24
11 : 0,25 = 11 : 1/4 = 11 x 4 = 44
45 : 0,75 = 45 : 3/4 = 45 x 4/3 = 60

DECIMALES

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Operamos con los decimales. Para ampliar conocimientos y practicar más:
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