Prefixes: un-, re-, pre-, dis-
Grade 4 · English Language Arts · Vocabulary · Pennsylvania, USA
Lesson Summary
A prefix is a word part added to the beginning of a root word that changes its meaning.
Explanation
The prefix 'un-' means 'not,' so 'unhappy' means 'not happy.' The prefix 're-' means 'again,' so 'rewrite' means 'to write again.' The prefix 'pre-' means 'before,' so 'preview' means 'to view before.' The prefix 'dis-' means 'not' or 'opposite,' so 'disagree' means 'to not agree.' When you see a word you do not know, check if it starts with a prefix you recognize. That can help you figure out its meaning.
Practice Questions
Q1: What does the prefix 'un-' mean in the word 'unkind'?
Answer: Not. 'Unkind' means not kind.
Q2: What does 'rebuild' mean?
Answer: To build again.
Q3: Add a prefix to 'agree' to make it mean the opposite.
Answer: Disagree.
People Also Ask
What is Prefixes: un-, re-, pre-, dis- in Grade 4 English Language Arts?+
Prefixes: un-, re-, pre-, dis- is a lesson in the Vocabulary chapter of Grade 4 English Language Arts. It is part of the Pennsylvania, USA school curriculum and covers key concepts that students need to understand at this level.
What grade level covers Prefixes: un-, re-, pre-, dis-?+
Prefixes: un-, re-, pre-, dis- is taught in Grade 4 as part of the English Language Arts curriculum in Pennsylvania, USA.
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