
NÚMEROS CON SIGNO
Presentation
•
Mathematics
•
10th Grade
•
Medium
Zahira CC
Used 5+ times
FREE Resource
12 Slides • 6 Questions
1
NÚMEROS CON SIGNO
LEY DE LOS SIGNOS
2
SUMA Y RESTA
TENGO Y DEBO
3
LOS SIGNOS DICE MUCHO...
Si un número es positivo podemos considerar que es algo que "tenemos" y si es negativo que lo "debemos"
4
NÚMEROS POSITIVOS
Se colocan a la derecha del cero en la recta numérica
Entre mayor sea su valor absoluto, mayor es el número.
5 > 3
5
NÚMEROS NEGATIVOS
Se colocan a la izquierda del cero en la recta numérica
Entre mayor sea su valor absoluto, menor es el número.
-5 < -3
6
SUMA
Sólo se suman los números que tienen el mismo signo.
7
SUMAMOS BIENES Y DEUDAS
(+) + (+) = +
(-) + (-) = -
8
EJEMPLOS
3 + 4 = 7
-7 + (-1) = -8
9
Fill in the Blanks
9 + 8 =
Type answer...
10
Fill in the Blanks
-10 + (-23) =
Type answer...
11
SIEMPRE SE RESTAN LOS NÚMEROS CON SIGNO CONTRARIO
DEBO Y PAGO...
12
EJEMPLOS
3 + (-4) = -1
Tengo 3 y debo 4; entonces debo 1
-7 + (10) = 3
Debo 7 y tengo 10; entonces tengo 3
13
Fill in the Blanks
-9 + 12 =
Type answer...
14
Fill in the Blanks
12 + (-25)=
Type answer...
15
Cuando hay un negativo siempre se resta
Porque es una deuda...
16
-3+5-6+(-7) = -3-6-7+5
-16+5= -11
17
Fill in the Blanks
-13+9+(-9)+18-8
Type answer...
18
Fill in the Blanks
-12+25+(-14)+32=
Type answer...
NÚMEROS CON SIGNO
LEY DE LOS SIGNOS
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