
DIAGNÓSTICO MATEMÁTICAS GRADO 7°
Authored by Nohora Naranjo
Mathematics
7th Grade
Used 5+ times

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17 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
¿El conjunto de los números enteros está formado por todos los numero naturales, sus negativos y el cero?
Verdadero o falso
2.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Al resolver el polinomio aritmético
(79-245)+(-6×-18)-(-144÷16)+58 obtenemos como respuesta:
170
58
-9
9
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
El valor de x en la ecuación 4x + 4= 8 es:
3
-3
-4
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ecuación que mejor representa la expresión : "Si al triple de un numero se le resta 18,el resultado es 12" es:
18 - 3x = 12
12 - 3x = 18
3x - 18 = 12
3x - 12 =18
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El orden para resolver operaciones cuando se soluciona un polinomio aritmético sin signos de agrupación es:
1° sumas y restas,
2° multiplicaciones y divisiones y 3° raíces y potencias.
1° restas y sumas,
2° divisiones y multiplicaciones y 3° raíces y potencias.
1° multiplicaciones y divisiones , 2°sumas y restas y 3° raíces y potencias.
1° raíces y potencias , 2° multiplicaciones y divisiones y 3°sumas y restas.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para resolver polinomios aritméticos cuando tienen diferentes signos de agrupación es necesario destruir estos signos en el siguiente orden:
( ) , { } , [ ]
( ) , [ ] , { }
[ ] , { } , ( )
[ ] , ( ) , { }
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El valor de x en la ecuación x + 6 = 9 es:
-3
3
15
-15
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