I was looking at the curriculum my mom school uses and I think math is one of those subjects that can be easily telescoped, although I don't know how it works for an individual student at school. How I have done it homeschooling is take a look at the subjects covered in both grades (many were the same, introduced the topic in the lower grade book and expounded on the teaching from the higher grade book. I also made sure to include those that were not covered in both and make sure i did it in an order that made the most sense. Good luck. I personally think telescoping is great and allows a student to not have as many gaps.
