resistance with (almost) no equipment

Without access to a gym right now, I worked out at home... the only equipment I used was a single rubber band for hip flexor exercises.

8 x 20 - squat jumps 

4 x 100 - bicycle crunches 

4 x 25 -  leg kick extensions each leg

I will be on the track Monday, but won't be able to workout again until a week later on Sunday.   Maybe I'll be able to squeeze a similar resistance workout in Friday night.  I need it, I'm fat, 149 lbs.   Tired of it so that will be changing.