Developmental Skills of One to Two Year Olds

Cognitive Skills

months        skills
10-15        Demonstrates drinking from a cup
                  Imitates doing housework and other real life activities
11-14        Imitates several new gestures (baby performs something after he has observed it)
14-17        Imitates invisible gesture wrinkling nose, patting head
15-18        Symbolic Play with realistic props- uses small broom to sweep, cloth to wipe
18-24        Symbolic play with similar but not real props- uses stick as a toothbrush
12-13        Looks at place where ball rolls out of sight
12-16        Builds tower using two cubes
13-15        Pulls string vertically to obtain toy
13-15        Stacks rings
12-19        Nests two round containers of different size then three
19-24        Assembles four nesting blocks
12-15        Hands toy back to adult
18-22        Attempt and then succeeds in activating mechanical toy
13-19        Inverts small container spontaneously to obtain tiny object
15-18        Brings objects from another room on request

Communication Skills

9-14          Responds to simple verbal requests (Drink your juice.)
11-14        Says dada or mama to label primary caregiver
12-15        Uses vocabulary 1-3 words
12-14        Uses exclamatory expressions (oh-oh, no-no)
12-14        Understands pointing
12-15        Greets with verbal cues (waves to say hi or bye)
13-15        Says no meaningfully
13-18        Names one or two familiar objects
15-17        Uses 10-15 words spontaneously
18-24        Uses own name to identify self
15-18        Follow a direction involving two objects (Give the baby a bottle.)
16-19        Understands most noun objects
14-20        Uses voice in conjunction with pointing or gesturing
17-19        Echoes last word spoken
16-21        Recognizes and points to four animal pictures
20-24        Uses two word sentences (bye-bye, good girl, all gone)
19-22        Identifies 3 body parts
22-24        Identifies 6 body parts
24-28        Identifies most major body parts and some small body parts (knee, elbow, neck, lips, tongue, fingernail, eyebrow)
24-30        Uses 3 word sentences

Gross Motor

11-14        Stands alone well
12-14        Falls by sitting
13-15        Walks without support
15-18        Walks into large ball while trying to kick it
15-18        Pulls toy behind while walking
15-18        Throws ball forward
17-18        Carries large toy while walking
17-19        Walks upstairs with one hand held
18-20        Throws ball into box
18-24        Moves on ride on toys -no pedals
16-23        Picks up toy from floor without falling
18-24        Runs fairly well
20-21        Squats in play
23-25        Stands on tiptoes
 

Fine Motor

9-12          Pokes with index finger
10-12        Unwraps a toy
10-12        Uses neat pincer grasp
11-12        Grasps crayon adaptively
12-13        Marks a paper
12-16        Points with index finger
14-15        Helps turn pages of a book
15-18        Turns two or three pages at a time
13-18        Scribbles spontaneously
12-13        Puts three or more objects in a container
14-15        Puts many objects into container without removing any
15-23        Puts tiny object into small container
18-24        Imitates vertical stroke
20-24        Imitates circular scribble
22-24        Builds a tower using 6 cubes

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