It is the responsibility of the mathematics teacher to achieve educational aims that transcend the limits of information teaching, to acquire the teaching of higher thinking skills in mathematics, by planning educational attitudes that enable them to acquire knowledge, and to develop various mathematical skills such as creative proofing skills, The study group consisted of (38) students one experimental group and the following materials and tools were applied: (the training program, the achievement test to measure the cognitive aspects included in the program, the observation card to measure the skills of teaching creative proofing, The results of the study showed The effectiveness of the training program in developing the skills of teaching creative proofing among the students of the mathematics and collection development department in relation to the cognitive aspects included in the program.