First, you do not have to worry about the new school hours timing in the new school as young kids' ability to adapt to new environment and schedule is very fast.
As you mentioned the curriculum, you can find books that fit her ages. There are alot of curriculum available in the market for maths, e.g. Miquon, Rightstarts, and etc. You can use curriculum that suits your child's personality (e.g. is she prefer learn through play or repetitive works?). There are a lot of forum and platform for you to read up the reviews on the curriculum. E.g. http://homeschoolreviews.com/