
Percentagens e notação científica
Authored by Célia Paixão
Mathematics
7th Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5% de 150€ é
75€
7,5€
30€
3€
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A fração correspondente a 40% é
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20% de 12 litros é
240 l
24 l
2,4 l
0,24 l
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20%
50%
10%
40%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
30%
50%
100%
60%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um saco tem berlindes de várias cores. Sabe-se que 1 em cada 4 berlindes é azul. Pode afirmar-se que, dos berlindes que estão no saco, a percentagem dos que são azuis é igual a:
4%
25%
20%
5%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para enfeitar a árvore de Natal, a Inês comprou uma caixa com 64 bolas. No mesmo dia partiu 12,5 % das bolas. Com quantas bolas ficou para enfeitar a árvore de Natal?
8
51,5
56
54
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