Practice - Macmillan/McGraw-Hill

Name
A word root is part of a word that does not usually stand by itself
as a base word. Prefixes or suffixes are attached to a word root.
Many word roots are Latin in origin. If you know the meaning of
the Latin root, you can figure out the meaning of an unfamiliar
word.
Read each sentence. Write the meaning of each boldface word on
the line provided. Use the table of Latin roots below to help you
determine each definition.
Root Meaning
duct lead, take, bring
medius middle
fortis strong
tract pull or draw
1. Does water contract or expand when it freezes?
2. The boys could not agree, so a mediator was called in to hear both
arguments.
3. The aqueducts brought water into the ancient city.
4. Let’s make a deduction based on the facts we know.
5. The troops fortified the town in preparation for the enemy invasion.
182
The Gri Gri Tree • Grade 5/Unit 5
Practice
Vocabulary Strategy:
Latin Roots
At Home: The Latin word root hab means “hold.” Find or
think of two words that contain this word root. Write the
defi nition of each word.
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