what is a prefix ks2
A prefix is a string of letters that are added to the beginning of a root word, changing its meaning.Each prefix has a meaning (for example, un-means not, sub-means under mis-means wrong or badly). Suffixes are groups pf letters added to the end of a word.hildren are taught the meanings of different prefixes (for example: 'bi' means 'two'). Then they will look at words with these prefixes and how that meaning is incorporated into the word, for example: a bicycle has two wheels and a bilingual person is fluent in two languages.