Mathematics seems abstract, difficult, and uninteresting to many students, which in turn reduces their interest in learning mathematics. It has been found that the use of ICT and meaningful contexts of problem-solving tasks can make learning mathematics more enjoyable and easier to understand for students. To increase students' interest in learning mathematics and using the GeoGebra program, math competitions "Notice Mathematics Around You" have been organized in Estonia for lower and upper secondary school students, where the task was to create a GeoGebra applet on a given topic. In our paper, we present the works of students from three years on topics such as creating patterns using graphs of functions, creating fireworks for Estonia's birthday and creating moving objects. The number of participants in these competitions was 232, 160 and 167, respectively. We also present students' opinions on this competition based on the questionnaires they filled out. The results showed that participants learned more about the GeoGebra program by creating their works. Some students realized that their math skills improved while doing the competition work or they understood something that they could not grasp in class with paper and pencil. Students realized that mathematics is useful beyond the classroom, and therefore, their attitude towards math improved. They enjoyed the sense of accomplishment, seeing the beauty of mathematics, and having math classes different from the usual. Students' opinions could encourage teachers to give students similar tasks in math classes or in projects that integrate multiple subjects. This could also provide ideas for students' creative work.