Root Words

Prefixes, Suffixes, and Root Words

SCVCS-4th Grade

Why do readers need to know about prefixes, suffixes, and root words?

Knowing about these can help me determine the meaning of complicated words while reading.

What are prefixes?

Common Prefixes

Multiple Choice

I love watching the previews before a movie! What does the prefix "pre" mean in the word "previews?"

• afterwards

• before

• during

• undo

Multiple Choice

So many of our students are multitalented. This means our students have __________ talents.

• many

• no

• few

• after

Multiple Choice

Matthew was anti-homework for spring break! What does the prefix anti mean?

• in support of

• many

• against

• before

What are suffixes?

Common Suffixes

Multiple Choice

Her drawings looked effortless, even though she was nine years old. What does "less" mean in effortless?

• plenty of

• in a way or manner

• full of

• without

Multiple Choice

Sofia was joyous that she was voted class president! What does the suffix "ous" mean in joyous?

• full of

• without

• foot

• the process of

Multiple Choice

Caleb prided himself on being the "hardest" worker in fourth grade. What does "hardest" mean?

• less hard

• not hard

• most hard

• hard again

What are root words?

Multiple Choice

Anna felt unprepared for the history exam. In the word, "unprepared", what is the root?

• un

• ed

• prepare

• prep

Multiple Choice

Mrs. Harmon reassured the students that they were more than prepared for state testing. In the word "reassured", what is the root?

• assure

• re

• ed

• sured