Speech Developmental Chart – Collaborative Function

Speech Therapy Developmental Chart

9-12 Months	Begins to relate names of objects	Articulates most speech sounds
12-18 Months	Uses greetings (hi/bye) Uses sentence-like intonation (jargon)	Uses single words 3 – 20 words Responds vocally to “wh” questions	Points to wanted objects Imitates some words	Points to an object when named
18-24 Months	Understands approx. 300 words Uses commands and reactions “more” “mine” “owee”	Says 50 words Responds to yes/no questions with head gestures	Combines words to make 2-word sentences Mean Length of Utterance(MLU) = 1.8	Names familiar objects
24-30 Months	Understands approx. 500 words Uses some regular plurals	Follows simple directions Answers “what” and “where” questions	Follows a series of related commands MLU = 3.1	Says 200 words
30-36 Months	Understands approx. 900 words Uses pronouns “I”, “me” , “you” and “mine”	Knows 3rd personal pronouns (he/she) Asks simple “what?” and “where?”	Says 500 words including “please” “thank-you” MLU = 3.4	Articulates p m w n h
36-42 Months	Understands approx. 1200 words Begins to ask varied questions	Responds to 2 unrelated commands MLU = 4.3	Knows “in front” “behind”	Says 800 words
42-48 Months	Understands approx. 1500 – 2000 words	Says 1000 words	Articulates b d k g f y	MLU = 4.4
48-54 Months	Understands approx. 2000-2500 words Uses irregular plurals	Says 1500 words MLU = 4.6	Understands spatial concepts	Uses possessives
54-60 Months	Understands approx. 2500-2800 words MLU = 5.7	Says approx.2000 words	Uses complete sentences	Misarticulates few blends
60-72 Months	Understands approx. 13,000 words	Understands time concepts	Uses pronouns consistently	MLU = 6.6
72-84 Months	Is aware of others’ mistakes!!	MLU = 7.3