I did LHFHG and Bigger Hearts a few years back at the same time and enjoyed it very much!

Bigger Hearts is such an important year of teaching many skills that lead dc to successful future independence. That's why it's very important not to have a tag along child younger than the age range trying to do Bigger Hearts - way too many skills are simply lost on that child. So, I am VERY glad that you are not trying to have your little one do Bigger Hearts, but are rather meeting that son's needs well by doing LHFHG.

I didn't find either guide difficult to teach - in fact, it was fun to move between the two. HOD made it easy to focus on what each of my dc needed. I looked at the LHFHG year as a year to hit phonics/reading/writing hard, as well as to train that little child to listen better, to comprehend more, and to do each subject area of school in bite-sized short lesson format. I looked at the Bigger Hearts year as a year to teach new skills that my dc would be doing more independently the next year. I really stayed by my Bigger Heart's child's side for the first about half of the year, making sure he knew exactly what was expected of him from each box's assignment. Neat and colorful drawings, organized work, neat writing, careful reading, growth in oral narrations by working on the narration tips in the Appendix a little at a time, correct copywork and dictation, locating verses in his Bible independently, answering comprehension questions more fully, reading through each box's directions in the plans with me first - then first on his own and summarizing what he'd be doing - and then finally independently, getting out materials, putting away materials, handing in work, Biblical discussions that get to the heart of the matter... that year in Bigger Hearts is an important one, but it is not hard to do, as your LHFHG child will be finished with school very quickly.

The time I spent in Bigger Hearts really training my dc in all of those skills has paid back tenfold in the guides after Bigger Hearts. My oldest ds just finished RTR and is still reaping those skills from Bigger Hearts that started him off on the right foot in soooooooooooo many ways.
I would share my BHFHG and LHFHG schedule, but I was still really figuring out how to best type a schedule at that point, and I think it may be too much information (i.e. menu and snacks, baby's schedule, just too much info.!)

. However, last year I did RTR, Bigger Hearts, and LHTH, and that schedule may be helpful. It is on the very last page of this schedule's thread, but you'll find many other ladies' schedules in this thread too that are great food for thought!
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I will say that by the time I was teaching 2 guides and especially by the time I was teaching 3 guides, a schedule/routine became my best friend. We like to finish by lunch here, which I realize is not everyone's goal, nor is it possible for everyone due to family size, work schedules, when dh is home, etc. - but I will say that it is very possible to be done with school doing 3 HOD guides in 4 hours or less with a good schedule/routine in hand. So, it's well worth putting some time and research into that! If you get going and have more questions, I'd be glad to help more! I think you are going to love LHFHG and BHFHG - they are both excellent programs!
In Christ,
Julie