Please understand that each child developes at a different rate...
...these are simply guideline milestones
Cognitive Development Skills
0-3 months = Cries for assistance. Acts reflexively. Prefers to look at patterned objects, bull's eye, horizontal stripes and the human face. Imitates adults' facial expressions. Searches with eyes for sources of sound. Begins to recognize familiar people at a distance. Discovers and repeats bodily actions such as sucking, swiping and grasping. Discovers hands and feet as extensions of self.
4-6 months = Recognizes people by their voice. Enjoys repeating acts, such as shaking a rattle, that produce results in the external world. Searches with eyes for source of sound. Enjoys watching hands and feet. Searches for a partially hidden object. Uses toys in a purposeful manner. Imitates simple actions. Explores toys using existing schemas such as sucking, banging, grasping, shaking, etc...
7-9 months = Enjoys looking at books with familiar objects. Distinguishes familiar from unfamiliar faces. Engages in goal directed behavior. Anticipates events. Finds objects that are totally hidden. Imitates behaviors that are slightly different than those usually performed. Begins to show interest in filling and dumping containers.
10-12 months = Solves sensorimotor problems by deliberately using schemas, such as shaking a container to empty it's contents. Points to body parts upon request. Drops toys intentionall and repeatedly looks in the direction of the fallen object. Waves good-bye. Shows evidence of stronger memory capabilities. Follows simple, one step directions. Categorizes objects by appearance. Looks for objects hidden in a second location.
13-18 months = Explores properties of objects by acting on them in novel ways. Solves problems through trail and error. Experiments with cause and effect relationships such as turning on the television, banging on the drums, etc... Plays body identification games. Identifies family members in photographs.
19-24 months = Points to and identifies objects on request, such as when reading a book, touring, etc... Sorts by shapes and colors. Recognizes self in photographs and mirror. Demonstrates deferred imitation. Engages in functional play. Finds objects that have been moved while out of sight. Solves problems with internal representation. Categorizing self and others by gender, race, hair color, etc...
25- 36 months = Uses objects for purpose other then intended. Uses private speech while working. Classifies objects based on one dimension, such as toy cars versus blocks. Follows two step directions. Concentrates or attends to self selected activities for longer periods of time. Points to and labels objects spontaneously, such as when reading a book. Coordinates pretend play with other children. Gains a nominal sense of numbers through counting and labeling objects in a set. Begins developing concepts about opposites such as big and small, tall and short, in and out. Begins developing concepts about time, such as today, tomorrow, yesterday.
Language Development
Cognitive Development
Emotional Development
Social Development
Physical Development