
EXPRESIONES SIMPLES (LECCIÓN)
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•
Mathematics
•
8th Grade
•
Easy
Mariela Ajon
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6 Slides • 10 Questions
1
EXPRESIONES SIMPLES (LECCIÓN)
by Mariela Ajon
2
ELEMENTOS DE LA EXPRESIÓN SIMPLE
Antes del igual: PRIMER MIEMBRO
Después del igual: SEGUNDO MIEMBRO
Separados por los signos +,-, = TÉRMINOS
Letra: INCÓGNITA (variable)
El número que se antepone a la variable: COEFICIENTE
Término que no tiene parte literal: INDEPENDIENTE
3
Multiple Choice
7X = 21
En esta expresión el coeficiente es: _
7
x
4
Multiple Choice
7X = 21
En esta expresión la variable es: _
7
x
5
Multiple Choice
7X = 21
El primer miembro es: _
7x
21
6
Multiple Choice
7X = 21
El segundo miembro es: _
7x
21
7
Multiple Choice
7X + 5 = 28 - 2
En esta expresión hay _ términos.
2
4
8
x + 2 = 5
CLASIFICAR Y CAMBIAR OPERACIÓN (OPUESTA) AL CAMBIAR MIEMBRO: X = 5 - 2
OPERAR: X = 3
9
Multiple Choice
X + 7 = 12
X = 12 + 7
X = 19
X = 12 - 7
X = 5
10
Multiple Choice
X - 5 = 12
X = 12 + 5
X = 17
X = 12 - 5
X = 7
11
3X = 24
El coeficiente que multiplica pasa a dividir al otro miembro:
x = 24/3
Opera: x = 8
12
Multiple Choice
5x = 20
x = 20 + 5
x = 25
x = 20 - 5
x = 15
x = 20 (5)
x = 100
x = 20/5
x= 4
13
x / 9 = 10
El número que divide a x pasa al otro miembro a multiplicar:
x = 10 (9)
Opera: x = 90
14
Multiple Choice
x / 6 = 3
x = 6 + 3
x = 9
x = 6 - 3
x = 3
x = 3 (6)
x = 18
x = 6 /3
x = 2
15
3 x + 2 = 14
Clasificar y cambiar operación: 3x = 14 - 2
Operar: 3x = 12
El coeficiente pasa a dividir: x = 12/3
Operar: x = 4
16
Multiple Choice
6 x + 3 = 63
6 x = 66
x = 66 / 6
x = 11
6 x = 60
x = 60 / 6
x = 10
6 x = 66
x = 66 - 6
x = 60
6 x = 60
x = 60 + 6
x = 66
EXPRESIONES SIMPLES (LECCIÓN)
by Mariela Ajon
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