When Hank and Gomez interrogated Mike I think they said she was 10. I dont remember what year they're in now but we should keep in mind that almost all of breaking bad takes place in one year, starting in 2008?

>I've been rewatching Breaking Bad, and Mike's granddaughter
>looks basically the same age in both shows. The cell phones
>look basically the same too. I don't know how they're gonna
>pack so much character development into so little time (and
>how they get around the fact that Saul said he had "years of
>experience" laundering money), but I think Saul Goodman is
>coming quick, and whatever happens with Kim will probably play46
>a big part in that.
>