Hi Claire Hattendorf. Welcome to Grokker! As I'm sure you aware, exercise is an important component in managing diabetes. From my understanding, the best exercises to do include aerobic exercises and strength training. I've attached a couple of videos that you may find helpful.
You may also consider joining Chris Mohr's 21-Day Nutritional Reboot Program: https://grokker.com/cooking/nutrition-and-healthy-eating/program/21-day-nutrition-reboot/5a1c8d5075c30566d6921591 This program offers some great tips on healthy eating, and some of the important things he mentions is avoiding sugars while focusing on eating lots of fruits and vegetables.
Finally, managing stress can have an effect on your glucose levels. We have some wonderful videos and programs that specifically deal with stress. You may want to check out these:
I hope this is helpful. Please let us know if you have any more questions.