DS (12yo) is in 7th grade. I’ve known he wasn’t super solid in math, but thought the repetition in Saxon would shore it up. I was wrong. I put him in Alg 1/2 (pre-algebra) this year. I’ve been making him take the tests. His grades are usually in the 60-65% range. I thought, wrongly again, that his grades would improve as he got used to the kind of math. He is mathematically minded, but the holes in his learning are holding him back. I’ve finally faced the fact that I’ve let him slip thro

I recommend that you look up Art Reed. Truly amazing IMO. He will personally respond to students regarding any individual problem they have in Saxon 5/4 though calculus.
He mainly provides DVD (now also streaming) instruction to complement the use of the regular Saxon program - a lecture a day of anywhere from 5-20 minutes. Our children said he was amazing (one went on to be a math major, but we had our share of math phobic, as well) Many families we know began using him, and their st