We did horizons math last year and my oldest 2 were able to do it without much instruction. Now we moved to saxon so in the upper grades they have a textbook to reference when needed and it goes through calculus unlike horizons.
Krystal: HS'ing & CD'ing, mommy to:
Mikaela, Matthew, Savannah,
Kaleb, Selah,**Shiloh @17w**,
Kendrick, **Baby@8w 8/13**, Baby #7 5/2014