This study aimed to determine the effect of the use of slide presentations im teaching Probability among randomly selected grade 10 learners This study appled the quasiexperimental research design using two sets of teacher-made examination questions and different types of slides presentations. Test and survey results were analyzed and interpreted using mean scores, standard deviations, and frequency distribution. T-+test and Analysis of Variance were used to compare mean scores. It was found out that the three groups of participants have the same level of performance and attitude towards the use of slide presentation before the experiment, while differences were shown after the experiment, there is no significant difference between the attitude of the three groups before and after the experiment, the use of slide presentations m teaching Probability 1s better than the traditional lecture method, all groups of participants performed better after the intervention, and the groups treated with the use of shde presentations showed improvement in their attitude towards the use of slide presentanon after the experiment. Keywords: Slides presentations, existing, interactive, performance.