Diagnosis of mathematical development of preschool children

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Please forward this error screen to 172. This article is about the acquisition of language by children. For the development of languages for official or educational purposes, see diagnosis of mathematical development of preschool children planning. This article needs additional citations for verification.

Language development is a process starting early in human life. Infants start without knowing a language, yet by 10 months, babies can distinguish speech sounds and engage in babbling. Typically, children develop receptive language abilities before their verbal or expressive language develops. Receptive language is the internal processing and understanding of language. Usually, productive language is considered to begin with a stage of pre-verbal communication in which infants use gestures and vocalizations to make their intents known to others.