Unit 9
In this unit we learned about the mathematical skills. Logical thinking according to Piaget; During the sensorimotor stage (ages 0-2), the child learns to experience the world physically. (reflexes, habits, object permanence). In the preoperational stage (ages 2-7), symbols are used, but thought is still "preoperational," they begin to use reasoning however it is mainly intuitive, instead of logical. Lack of conservation. The concrete operations stage (ages 6 or 7-11). The child begins to develop: ability to sort objects, to classify objects, understanding of conservation (physical quantities do not change based on the arrangement and/or appearance of the object). The formal operations stage (12-adulthood), introduces abstract thinking. About the numbers we have the Counting Principles by Gelman and Gallistel: The one-one principle: There is a distinct counting word to match each of the items counted The stable-order principle: The list of words must be consistent. Th...