Miben segíthetünk?

Kahobrien

Kahobrien legutóbbi tevékenységei

If the lessons are done on a regular basis (I do them daily) then I don't think they go longer than a school year. But it would be easy to do the breakdown by looking at the outline for the grade l...
I homeschool too and we've been using their math with grade levels as our full course for a couple of years now. I don't know why it would be considered just supplemental.