Level 1: Cognitive Ability Performance of Children with Intellectual Disabilities The cognitive abilities of children with intellectual disabilities are significantly different from those of normal children. Children with intellectual disabilities have deficiencies in language understanding, memory, attention, and thinking skills. They may not be able to understand simple instructions or have common sense judgment. In the learning process, teachers need to use more visual and auditory aids and explain in simple and clear language. Level 2: Emotional Expressions of Children with Intellectual Disabilities There are also great differences in the emotional expressions of children with intellectual disabilities. They may be unable to adapt to the new environment, lack interest in things around them, and are prone to mood swings