Grade 5 students in Vocabulary from Classical Roots Book B explore position-related Latin roots in Lesson 4, learning key terms such as extraneous, extraterrestrial, extrovert, mediate, mediocrity, non sequitur, obsequious, subsequent, and sequester. The lesson traces meanings through three Latin roots — extra ("on the outside"), medius ("middle"), and sequor ("to follow") — building students' understanding of how word origins shape definitions. Practice exercises reinforce recognition of synonyms and antonyms for each vocabulary word in context.
Section 1
The Root "EXTRA": On the Outside
Ready to look outside the box? These words all share the root EXTRA, which means "on the outside."
| Word | Definition |
|---|---|
| extraneous | (adj.) Not essential; coming from the outside |
| extraterrestrial | (adj.) Coming from outside of Earth |
| extrovert | (n.) An outgoing person who directs energy outward |
Section 2
The Root "MEDIUS": In the Middle
Let's find the middle ground! These words come from the Latin root MEDIUS, meaning "middle."
| Word | Definition |
|---|---|
| mediate | (v.) To step in the middle of an argument to help people agree |
| mediocrity | (n.) The state of being only average or ordinary |
| medium | (n.) A way information is shared; a middle ground |
Section 3
The Root "SEQUOR": To Follow
Time to get in line! The following words are all related to the Latin root SEQUOR, meaning "to follow."
| Word | Definition |
|---|---|
| non sequitur | (n.) A statement that does not logically follow from the previous one |
| obsequious | (adj.) Excessively eager to follow or obey someone |
| subsequent | (adj.) Coming after or following in time or order |
| sequester | (v.) To isolate or hide away |
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Section 1
The Root "EXTRA": On the Outside
Ready to look outside the box? These words all share the root EXTRA, which means "on the outside."
| Word | Definition |
|---|---|
| extraneous | (adj.) Not essential; coming from the outside |
| extraterrestrial | (adj.) Coming from outside of Earth |
| extrovert | (n.) An outgoing person who directs energy outward |
Section 2
The Root "MEDIUS": In the Middle
Let's find the middle ground! These words come from the Latin root MEDIUS, meaning "middle."
| Word | Definition |
|---|---|
| mediate | (v.) To step in the middle of an argument to help people agree |
| mediocrity | (n.) The state of being only average or ordinary |
| medium | (n.) A way information is shared; a middle ground |
Section 3
The Root "SEQUOR": To Follow
Time to get in line! The following words are all related to the Latin root SEQUOR, meaning "to follow."
| Word | Definition |
|---|---|
| non sequitur | (n.) A statement that does not logically follow from the previous one |
| obsequious | (adj.) Excessively eager to follow or obey someone |
| subsequent | (adj.) Coming after or following in time or order |
| sequester | (v.) To isolate or hide away |
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter