Take a look at this piece chosen from the ABRSM Grade 2 syllabus.
Have you checked;
Time Signature
Key Signature
Dynamic markings
Tempo
All of these contribute to our learning of a piece, so make sure you are aware of them when you are learning/playing each piece. once you feel confident you can play this piece to the best of your ability, have a look at the marking criteria and see if there's anything you can improve, and if not, give yourself a score!
Have a look at this marking criteria from ABRSM, what score would you give your pieces?