Nursery Rhymes

A nursery rhyme is a traditional poem or song for children in Britain and many other countries, but usage of the term only dates from the late 18th/early 19th century. In North America the term Mother Goose Rhymes, introduced in the mid-18th century, is still often used. 

It has been argued that nursery rhymes set to music aid in a child's development. Research also supports the assertion that music and rhyme increase a child's ability in spatial reasoning, which aid mathematics skills.