The study dealt with students in the first grade of primary
school of Athens and Crete, who were divided into two teams
(experimental and control). The experimental group consisted
of 113 students, who were taught of rectangles by the support
of computers. There were 121 students in the control group,
which received only the traditional science instruction for
rectangles. Students in both groups were pre-tested and posttested
for their geometry performance for rectangles. The
results of the study indicated that teaching and learning
through ICT is an interactive process for children at primary
school level and has a positive effect for geometry education of
rectangles.