Infants have a sense of number by the time they reach seven months, researchers at Duke University have found. Given visual and aural cues, babies will preferentially look at videos of faces that match the number of voices they hear.
Non-verbal animals, such as rhesus monkeys, have similar abilities, implying that math — or at least counting — is innately part of our makeup.
Now if we could just figure out why kids lose their interest in math around the age of 10 …
How To Teach Your Baby Math: The Gentle Revolution