1) The document outlines two teaching activities for developing mathematics skills that take realistic and fun approaches. 2) Activity 1 involves using circles to develop cognitive skills like memory, understanding, and analysis. It also develops affective skills through group work and discussion. Psychomotor skills are engaged through experiments with real objects. 3) Activity 2 uses cones and cylinders to similarly develop cognitive skills of understanding, analysis, and evaluation. Students work in groups to develop affective skills like cooperation and respect. They also develop psychomotor abilities through experiments and modeling.