6) The effectiveness of using multimedia in teaching mathematics for developing achievement and attitude towards subject among the hearing impaired pupils.

5) The effectiveness of the fifth constructivist model in teaching mathematics for developing mathematical proof skills among the preparatory stage students.

3) The effectiveness of instrumental enrichment strategy in teaching mathematics and its effect on developing some thinking skills among the preparatory stage students

2) The Effectiveness of Using A suggested Strategy for Developing Creativity in Mathematics to Prep-Stage Students