1.High knees are a cardio exercise that work your legs and core.
Do them for 30 – 60s each set x 4 sets resting for 30s between each set
2.Bicycle Crunches are an effective exercise for strengthening your abs
Do these for 30s x 4 sets
Resting 30s in between
3.Burpees are another cardio vascular exercise
10 reps x 4 sets resting for a minute inbetween
4.Push ups are great for strengthening your upper body,
Do as many as possible until failed for 4 sets
5.Mountain Climbers. These are great for core.
Do 4 sets with 30 – 45s per set