HOTS is a concept that distinguishes critical thinking skills and the strategies used to develop and prompt critical thinking. According to Barak and Dori 2009 described higher-order thinking as a complex mode often generates a various amount of solutions, this is without the support of the presented details of the activities. This higher-order thinking goes beyond just simple recalling information the approach involves reorganizing the information which brings meaning and produces advance knowledge (Iowa Department of Education, 1989).