Piaget believed that during middle childhood, children can use logic to solve concrete problems, such as conservation and seriation During middle childhood, growth rates slow down compared to earlier childhood, but children still increase in height and weight

Brain growth allows for improved sensory and motor skills, and faster reaction times and information processing abilities Gross and fine motor skills continue to develop rapidly, allowing children to participate in organized sports activities, meet the demands of a school setting, and gain independence with improvements in self-care

seriation — ability to put objects in order, such as by size or color. least-restrictive environment — principle that states that all children with a disability should receive general education in an environment that is as similar as possible to the one for children without…. triarchic theory of intelligence — theory of intelligence that proposes that there are three types of intelligence: analytical, creative and practical. mental age — age at which a person is performing based on an intelligence test.