Hearing and UnderstandingTalking
Birth-3 Months

Startles to loud sounds
Quiets or smiles when spoken to
Seems to recognize your voice and quiets if crying
Increases or decreases sucking behavior in response to sound
Birth-3 Months

Makes pleasure sounds (cooing, gooing)
Cries differently for different needs
Smiles when sees you
4-6 Months

Moves eyes in direction of sounds
Responds to changes in tone of your voice
Notices toys that make sounds
Pays attention to music
4-6 Months

Babbling sounds more speech-like with many different sounds, including p, b and m
Chuckles and laughs
Vocalizes excitement and displeasure
Makes gurgling sounds when left alone and when playing with you
7 Months-1 Year

Enjoys games like peek-a-boo and pat-a-cake
Turns and looks in direction of sounds
Listens when spoken to
Recognizes words for common items like "cup", "shoe", "book", or "juice"
Begins to respond to requests (e.g. "Come here" or "Want more?")
7 Months-1 Year

Babbling has both long and short groups of sounds such as "tata upup bibibibi"
Uses speech or noncrying sounds to get and keep attention
Uses gestures to communication (waving, holding arms to be picked up)
Imitates different speech sounds
Has one or two words (hi, dog,dada, mama) around first birthday, although sounds may not be clear
1 to 2 years

Points to a few body parts when asked.
Follows simple commands and understands simple questions ("Roll the ball," "Kiss the baby," "Where's your shoe?").
Listens to simple stories, songs, and rhymes.
Points to pictures in a book when named.
1 to 2 years

Says more words every month.
Uses some one- or two- word questions ("Where kitty?" "Go bye-bye?" "What's that?").
Puts two words together ("more cookie," "no juice," "mommy book").
Uses many different consonant sounds at the beginning of words.
2 to 3 years

Understands differences in meaning ("go-stop," "in-on," "big-little," "up-down").
Follows two requests ("Get the book and put it on the table").
Listens to and enjoys hearing stories for longer periods of time
2 to 3 years

Has a word for almost everything.
Uses two- or three- words to talk about and ask for things.
Uses k, g, f, t, d, and n sounds.
Speech is understood by familiar listeners most of the time.
Often asks for or directs attention to objects by naming them.
3 to 4 years

Hears you when you call from another room.
Hears television or radio at the same loudness level as other family members.
Answers simple "who?", "what?", "where?", and "why?" questions.
3 to 4 years

Talks about activities at school or at friends' homes.
People outside of the family usually understand child's speech.
Uses a lot of sentences that have 4 or more words.
Usually talks easily without repeating syllables or words.
4 to 5 years

Pays attention to a short story and answers simple questions about them.
Hears and understands most of what is said at home and in school.
4 to 5 years

Uses sentences that give lots of details ("The biggest peach is mine").
Tells stories that stick to topic.
Communicates easily with other children and adults.
Says most sounds correctly except a few like l, s, r, v, z, ch, sh, th.
Says rhyming words.
Names some letters and numbers.
Uses the same grammar as the rest of the family.