
Equivalencia resta a suma de números enteros
Presentation
•
Mathematics
•
7th Grade
•
Medium
Gabriela Aguilera
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3 Slides • 3 Questions
1
Resta de números enteros y su equivalencia con la suma.
7°A-B Profesora Gabriela Aguilera
2
Resta de números enteros
Para restar números enteros lo haremos por medio de una equivalencia. Es decir ‘’transformaremos’’ una resta a suma equivalente por medio de su inverso aditivo.
Ejemplo:
5 - (-8) = 5 + 8
Cambiamos el signo de resta por uno de suma y el sustraendo (2° números de la resta) se cambia de signo en este caso antes era NEGATIVO ahora es POSITIVO.
3
Identifica cada resta con la suma equivalente.
Atención
4
Multiple Choice
9 - (-8)
9 - 8
9 + (-8)
9 + 8
5
Multiple Choice
15 - 9
15 - 9
15 + (-9)
15 + 9
6
Multiple Choice
-25 - (-7)
-25 + 7
25 + 7
-25 + (-7)
Resta de números enteros y su equivalencia con la suma.
7°A-B Profesora Gabriela Aguilera
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