File: Interactive flash (swf)
Affixes are letters or syllables added to a root word to form another word. Each is a signal word because it tells something about a word.
An affix that comes before a word or at the beginning of a word is called a prefix.
Prefixes have meanings. In the word unkind, which is the prefix? (un - means not. What is the meaning of unkind?
Another prefix which means not is in -, as in incomplete. What does incomplete mean?
Here are some words you can use to describe persons and things:
The first syllable of the words in each group is joined by un and in. Syllables joined to the beginning of a word to change the meaning of the word. They are word prefixes. The words to which they are added are called root words.
The un and in are syllables joined to the beginning of a word to change the meaning of the word. They are called prefixes.
Prefixes - are added to a root word.
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Download Prefixes Un and In module