Asalam Alaikum
Memorize with meaning and train on the attached exam below
Train on the surah you took: الفاتحة الاخلاص الفلق الناس المسد
what is Qalqala: Echoing the letters (qalqala letters): ق ط ب ج د
Glorifying letters to be pronounced heavy: خ ص ض غ ط ق ظ