The study aimed to detect the effect of using an educational site on the Internet in the collection of bachelor's students in the course of basic concepts in mathematics at Al al-Bayt University, and the study sample consisted of all students in the course basic concepts in mathematics in the first semester of the academic year 2014/2015 and the number (60) students, has been divided into two groups control group (30) and experimental (30) and randomly, studied the first officer in the traditional manner, and studied experimental second using an educational site on the Internet, was given two test achievement, after the end of the trial period, was to make sure validity and reliability of achievement testing, the study found the following results: There were statistically significant differences ( a= 0.05) in the collection of undergraduate students in the course of basic concepts in mathematics at Al al-Bayt University attributable to the method of teaching and in favor of educational site on the Internet. There are also significant differences (a= 0.05) in the collection of bachelor's students in the course of basic concepts in mathematics at Al al-Bayt University, attributed to the sex variable in favor of females. No statistically significant differences (a = 0.05) in the collection of bachelor's students in the course of basic concepts in mathematics at Al al-Bayt University, attributed to the interaction between teaching method and sex of the students. In light of these findings the researcher recommends the adoption of a number of recommendations.