
Proporcionalitat 3r ESO CanPe
Authored by Fran Sanchis
Mathematics
9th Grade
CCSS covered
Used 24+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cada 100 g d’un mineral conté 34 g d’or. Calculeu la quantitat d’or que hi haurà en 2’4 kg d’aquest mineral.
816 g
0'816 g
8'16 g
81'6 g
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Per fabricar 30 kg de xocolata es necessiten 10 kg de cacau. Quants kg de xocolata es podran fer amb 64 kg de cacau?
192 kg
4'7 kg
195 kg
10 kg
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En una illa 24 excursionistes tenen aigua per a 20 dies. Si fossin 14 excursionistes, per quants dies tindrien aigua?
34
37
40
45
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un grup de 30 obrers han fet una obra en 30 dies. Si si haguessin afegit 6 obrers més, quant haguessin trigat en acabar la obra?
25
24
26
27
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El preu d'una faldilla que costava 12€ ha estat rebaixada fins a 9€. De quin percentatge ha estat la rebaixa?
25 %
75%
50%
30%
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una joguina que val 30€ puja un 20% durant el mes de desembre. Al mes de gener la rebaixen un 25%. Quant valdrà al mes de gener?
27€
36€
31€
34€
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Indica si és certa o no aquesta afirmació:
En dues magnituds inversament proporcionals, quan augmenta una magnitud, l'altra disminueix, i viceversa.
Fals
Cert
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