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Developing linguistic concepts: ages and stages

AgeMilestone
1-2 yearsFollows simple spatial directions, such as in and on
Understands another
Uses simple directional terms, such as up and down
Uses two or three prepositions, such as on, in or under
2-3 yearsDistinguishes between in and under, one and many
Understands number concepts or one and two
Understands size differences, such as big and little
Understands in, off, on, under, out of, together, away from
Begins to understands time concepts of soon, later, wait
Selects three that are the same from a set of four objects
Selects the object that is not the same from four objects with three of them identical
Begins to use adjectives for colour and size
3-4 yearsFollows quantity directions empty, a lot
Follows equality directions same, both
Understands next to, beside and between
Identifies colours
Matches on-to -one
Points to object that is different from the others
Uses position concepts, behind, in front and around
4-5 yearsUnderstands comparative and superlative adjectives such as big, bigger, biggest
Understands time concept yesterday, today, tomorrow, first, next, days of the week, last week and next week
Understands different, nearest, through, thin. whole
Identifies positional concepts first, middle, last
5-6 yearsUnderstands opposite concepts, such as big/little, over/under
Understands right/left
Understands number concepts up to 20
Answers “how are things the same/different?”
Uses adjectives for describing
Uses comparative adjectives, such as loud, louder
Uses yesterday and tomorrow
Uses adverb concepts backwards and forwards
uses prepositions through, nearest, corner, middle
names ordinal umbers such as first, second and third
two young people standing next to each other. One is wearing a backpack