Beginner, do each exercise once and repeat till you have had enough. Note you should be able to comfortably talk while exercising, if you can't back off !!
Intermediate, try starting with half the required reps for each exercise
Seasoned trainers, most don't need me to suggest how to workout, but given the times, maybe you just need something to spark you.
NOTE: Concentrate on doing everything very slow and controlled, do not rush it, the slower you do it the more intense it will be.
Burpees however opposite applies work up to high intensity, always keeping in mind form and safety.