Decoding/Word Attack Structural Analysis: Prefix + Root + Suffix 4 th Grade Lesson 29.
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Transcript of Decoding/Word Attack Structural Analysis: Prefix + Root + Suffix 4 th Grade Lesson 29.
Decoding/Word AttackStructural Analysis: Prefix + Root + Suffix
4th GradeLesson 29
Some longer words are made up of a root or root words plus a prefix and suffix. Turn to your partner
and see how many prefixes and suffixes you can remember in 45 seconds.
How many of these did you remember?un-, dis-, re-, -able, -ly, -ful, -tion
Look at this word and then turn and tell your partner the affixes in the word:
respectful
Did you notice that the prefix is re- and the suffix is –ful?
Now, turn and tell your partner what the root is.
Give a thumbs-up if you recognized the root spect
Now, put together the prefix, root, and suffix to read the word.
Remember that a prefix always forms the first syllable of a word and that a suffix always forms the last syllable(s) of a word.
Look at this chart. Identify the prefix, suffix, and root word in each longer word. Decode each word part and
then read the longer word.
Word Prefix Root or Root Word
Suffix
destruction
recreation
unreliable
dishonestly
de- struct -tion
re- create -tion
un- rely -able
dis- honest -ly
Independent Practice
Look through your independent book or social studies book for words that contain a prefix, a root or root
word, and one or more suffixes. Create a chart like the one on the previous slide to record and analyze the
words you find (find at least 4 words).