Start with the first exercise and continue till you finish every single exercise without any rest periods in between. When you finished the first round, start again with the first exercise. This is a circuit training which includes multiple exercises which you have to perform for a specific number of sets.
50 X JUMPING JACK 40 X CRUNCH
30 X FROGGER
20 X SPRAWL
10 X DIAMOND PUSH UP
Repeat 5X