LANGUAGE NORMS AT VARIOUS AGES
4 to 41/2 YEARS OLD 6 to 7 YEARS OLD
--Understands approximately 2,000 to 2,500 words --Understands up to 26,000 words
--Knows "between", "above", "below", "top" and "bottom" --Is aware of mistakes in others' speech
--Can say 1,500 words --Understands seasons of the year
--Mean Length of Sentence---just about 5 words --Mean Sentence Length---over 7 words
--Uses possessives (the boy's car, the cat's food) --Uses "good" "better" and "best"
--Uses irregular plurals (child/children)
5 to 6 YEARS OLD
--Understands approximately 13,000 words
--Mean Length of Sentence--just about 7 words
--Understands opposites
--States similarities and differences between two objects
--Uses all pronouns consistently
--Uses superlative -est (biggest, tallest)