Fact Families

Recently we have talked about how addition and subtraction are related and what is the same and what is different about them. To explore that more we made fact families. For example:
3 + 5 = 8       5 + 3 = 8       8 – 5 = 3        8 – 3 = 5

Recientemente hemos hablado sobre cómo se relacionan la suma y la resta y qué es lo mismo y qué es diferente acerca de ellos. Para explorar eso más hicimos familias de hecho. Por ejemplo:
3 + 5 = 8       5 + 3 = 8       8 – 5 = 3        8 – 3 = 5

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