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baby is born
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2 months
Infants coo - vowel like slounds -
6 months
Infants starts to babble, using consonants -
8 to 12 months
Establishes joint attention
Toddler say their first recognizable word -
18 to 24 months
Vocabulary expands to 50 to 200 to 250 words
Starts teegram speech, two word utterances -
Age 3 years old
Child is able to use words in the concrete form without visual references -
Age 5 years old
Expressives use of vocabulary words has increased to 2100 to 2200 words -
Age 6 years old
Approximately 2,600 words of expressive vocabulary and 20,000–24,000 words of receptive vocabulary -
Ages 8 to 12 years old
Learning words up to 12 words a day, in some cases up to 20 words a day -
Age 10 years old
Children's vocabulary development through reading moves away from learning concrete words to learning abstract words.