Coming from ps to a CM approach was what I did. My advice, take it slow!!! Things will seem very different both for you and your dd. Things like copywork, narration, and dictation are skills that take time to build. For me, they were so different that I literally stopped, and then restarted... one thing at a time. I had this unreasonable fear that, because it was so different, it wasn't going to work.

I then realized that traditional methods weren't working for my daughter and I needed to think outside that ps box. I researched A LOT! This forum is full of amazing advice. Check out The Reasons Behind HOD's Choices on this board. It is such an amazing way to teach children.

I am beginning to truly see some amazing results after a few months!

And, don't worry about the science. Science was never my thing and my dd wasn't overly fond of it either. She has LOVED the science in Preparing!! It doesn't feel or look like science we had in ps. It's FUN.

We read these amazing books. We do notebooking, which always excites the artist in my daughter. Then, there's the experiments! Easy, hands-on experiments that use common household items. My daughter and I both look forward to experiment day!! I want to encourage you in the math dept too! My daughter has struggled in math since she began school. We have backtracked, and it hasn't been the end of the world. She's starting to truly understand and her progress is picking up. She's finally at level, though we do work slowly though the areas where she struggles. I guess I would rather have her get it and understand than to push her and have her lost later. What I have noticed is that, she may struggle with one concept, but totally get another one very quickly. Welcome to HOD!
