I just found this and I think it will be great for large families.
http://www.jennyphillips.com/history/
I have viewed samples, but haven't ordered yet.
You could get some ear muffs(the noise reduction ones used for shooting). Also, I would just cut some problems out. You might just drop math for a week or two break.
Or you could just read something like Life of Fred for a bit.
I didn't ask again. Someone posted a link to Phonogram Cards and I said that I needed Phonogram Cards and Word Cards. Also, there is a student workbook that is used in All About Reading.