Wondering if this is a good exercise plan combined with healthy eating that is. Positive and Negative criticism please

I'm 16 trying to lose a few kilos for summer. Currently i'm 91kg. Aiming for about 83ish. Trying to loose the flab off my belly. I made up this exercise plan. Positive and Negative criticism wold be great.
1: Sumo Squat: 15-20
2: Reverse Lunge: 15 each leg
3: Exercise Ball Ab Crunch: 15-20
4: Low – High woodchop with twist: 15 each side
5: Side Lunge: 15 each side
6: Close Push Up: 15-20
7: Bicycle Crunch: 20
8: Prone Bridge: 30-60 seconds
2-3 sets.