# Ficha 4 – Radiciação e expressões numéricas 1) Calcule e

Propaganda
```Nome:
Ano: 6&deg; EF II
Disciplina: Matem&aacute;tica
N&ordm;:
Data:
Professor: Leonardo
Ficha 4 – Radicia&ccedil;&atilde;o e express&otilde;es num&eacute;ricas
1) Calcule e justifique os c&aacute;lculos:
Exemplo:
9 = 3, pois 3&sup2; = 9.
a)
1 = ____, ___________________________________
b)
4 = ____, ___________________________________
c)
16 = ____, ___________________________________
d)
3
1 = ____, ___________________________________
e)
3
8 = ____, ___________________________________
f)
25 = ____, ___________________________________
g)
64 = ____, ___________________________________
h)
i)
3
64 = ____, ___________________________________
100 = ____, ___________________________________
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4) Escreva os quadrados perfeitos maiores que 15 e menores que 85.
__________________________________________________________________________
5) Calcule as express&otilde;es:
a)
9  52  64 

b) 5 13  52  81 


c) 17  7 2   42  36 
d) 8 2 : 6  2  100
e) 28  45  32  11  16 
f)
g)
 100  5
2


 33  81  23  17 
h)

24  3 56 11 
2

49 
25  9  82 : 2 4  25  23 
```