
2n ESO T7b - Avaluació Proporcionalitat numèrica - Problemes
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Samuel Turon
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La taula descriu el moviment d'un cotxe que circul·la per l'autopista.
El mòbil sempre ha anat a la mateixa velocitat?
No, el mòbil
ha canviat de velocitat en el segon tram
No, el mòbil
ha canviat de velocitat en el tercer tram
No, el mòbil
ha canviat de velocitat en el quart tram
Answer explanation
PROBLEMA TAULA DE PROPORCIONALITAT DIRECTA
Calculant la raó de cada parell podem obtenir la velocitat en km/h.
240/2 = 120 360/3 = 120
600/5 = 120 720/6 = 120
La velocitat s'ha mantingut constant a 120 km/h.
2.
MATH RESPONSE QUESTION
5 mins • 1 pt
La taula mostra diverses compres de taronges que he fet aquesta setmana.
Quant hauria de pagar per la darrera compra?
(no cal escriure les unitats).
Mathematical Equivalence
ON
Answer explanation
3.
MATH RESPONSE QUESTION
5 mins • 1 pt
Quatre pintores han pintat 20 m2 de paret.
Quantes pintores farien falta si volguéssim pintar 50 m2 ?
Mathematical Equivalence
ON
Answer explanation
4.
MATH RESPONSE QUESTION
5 mins • 1 pt
L'Alba ha caminat 12 km en 3 hores.
Quant km podria recórrer 5 hores?
(no cal escriure la unitat)
Mathematical Equivalence
ON
Answer explanation
5.
MATH RESPONSE QUESTION
5 mins • 1 pt
Per arribar a la meva segona residència
he conduït el meu cotxe a 100 km/h i he trigat 4 hores.
Quant temps hauria trigat si hagués anat a 80 km/h?
(no cal escriure la unitat)
Mathematical Equivalence
ON
Answer explanation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La meva germana mesurava 1,40 m quan tenia dotze anys.
Quina altura tindrà quan compleixi 24 anys?
2,80 m
No es pot resoldre per mitjà d'una regla de 3
1,60 m
1,80 m
Answer explanation
PROBLEMES DE REGLA DE 3
En aquest cas no podem relacionar l'alçada i l'edat de manera directament proporcional.
El doble d'edat no implica tenir el doble d'alçada.
Per tant, no podem saber la resposta.
7.
MATH RESPONSE QUESTION
5 mins • 1 pt
Tres amigues paguen 200 € cada una
pel lloguer d'un pis.
Si s'afegeix una quarta amiga,
quant hauria de pagar cadascuna?
Mathematical Equivalence
ON
Answer explanation
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