Buy in: 10 reps each movement. Mobilize, getREADY, go!
For time complete (without partitioning):
100 calories bike or row
100 kettlebell swings (american) [Pro-tip:study some video as the "disabled-american swing" is not what we're going for]
100 sit-ups (fine to anchor the feet. ghd sit-ups NOT recommended).
Order doesn't matter.