
Raiz quadrada (7ºB)
Authored by Antónia Cunha
Mathematics
7th - 8th Grade
Used 93+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula o valor da expressão
16
64
8
nenhum dos anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um galinheiro tem a forma de um quadrado com 49m2 de área. Quantos metros de rede são necessários para vedar o galinheiro?
7 m
49 m
28 m
21 m
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Junto de uma estrada encontra-se uma zona de merendas com 400 m2 de área e com a forma de um quadrado. É necessário vedar com rede os três lados do quadrado que separam a referida zona do pinhal envolvente. Determina o número de metros necessários a comprar para o efeito.
80 m
60 m
200 m
100 m
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão
é igual a:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A medida de um lado de um quadrado com 64 cm2 de área é:
8 cm
32 cm
16 cm
4 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Falso
Verdadeiro
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