Recently, one has become concerned about the quality of natural science and social education basics of the primary school students. Particular attention is devoted to the higher-order thinking ability education. In the qualitative research, it was analysed what higher order thinking questions and tasks primary school teachers apply in the world…

Problem solving plays an important role in mathematics and should have a prominent role in the mathematics education. The term "problem solving" refers to mathematics tasks that have the potential to provide intellectual challenges for enhancing students' mathematical understanding and development. In addition, the contextual problem…