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3-6 Months
Baby looks for place where familiar voice comes from, also coos and chuckles. -
8 Months Old
Baby begins gesturing towards things they want or need. -
9-12 Months
Begins recreating sounds that others may consider to be close to first words -
12-18 Months
Baby/Toddler begins to use ritual words like hi, bye, thank you. -
2-3 Years
Toddler begins to use language in imaginative ways. -
4 Years
Child can change style of talking to fit conversations. -
5 Years
Child knows almost all of language. -
6 Years
Child will begin learning to read and write, the visual part of language. -
Adolescence
Children are able to competently engage in conversations and understands multiple word meanings. -
18 Years
By this time, teenagers have a well developed lexicon and are able to read, write, use technology and communicate with other people in adult conversations.