English Language Arts
Grade 6
15 min
Words with sub-
Words with sub-
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1
Introduction & Learning Objectives
Learning Objectives
Identify the prefix 'sub-' in unfamiliar words.
Define the core meaning of the prefix 'sub-'.
Determine the meaning of words containing 'sub-' by analyzing the prefix and root word.
Use context clues to confirm the meaning of 'sub-' words in sentences.
Construct sentences using 'sub-' words correctly to convey specific meanings.
Explain how understanding prefixes like 'sub-' can help infer an author's purpose or argument in a text.
Ever wondered why a 'submarine' goes *under* water? 🚢 It's all thanks to a tiny but mighty word part!
In this lesson, we'll dive into the world of 'sub-' words. You'll learn what this prefix means, how it changes word meanings,...
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Key Concepts & Vocabulary
TermDefinitionExample
PrefixA word part added to the beginning of a root word to change its meaning.In 'unhappy,' 'un-' is the prefix.
Root WordThe basic part of a word that carries the main meaning; it cannot be broken down further.In 'unhappy,' 'happy' is the root word.
Prefix 'sub-'A prefix meaning 'under,' 'below,' 'beneath,' 'secondary,' or 'lesser.'In 'subway,' 'sub-' means 'under' or 'below.'
Context CluesHints found within a sentence, paragraph, or passage that a reader can use to understand the meanings of unfamiliar words.If a sentence says, 'The diver went *submerged* deep into the ocean,' the words 'deep into the ocean'...
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Key Rules & Conventions
The 'sub-' Meaning Rule
The prefix 'sub-' almost always indicates a position 'below' or 'under' something, or a status that is 'secondary' or 'lesser'.
When you see 'sub-' at the beginning of a word, think about things being underneath or not quite at the main level.
Word Construction Rule
When 'sub-' is added to a root word, the new word's meaning will combine 'under/below/secondary' with the meaning of the root word.
To understand a 'sub-' word, first define 'sub-', then define the root word, and finally combine those meanings.
Context Confirmation Rule
Always use context clues in a sentence or paragraph to confirm your understanding of a 'sub-'...
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Challenging
An author writing an argumentative piece against a powerful corporation states, 'We must not allow this company to subjugate small businesses.' The root 'jugate' relates to 'yoke' (a harness for oxen). What is the author's argument?
A.The corporation should help small businesses by giving them harnesses.
B.The corporation is trying to bring small businesses under its control, as if they were work animals.
C.The corporation and small businesses should work together equally.
D.The corporation is located underground beneath the small businesses.
Challenging
A food critic wants to argue that a restaurant is not just bad, but that it fails to meet basic, official health requirements. Which word choice most strongly supports this specific argument?
A.The restaurant's cleanliness was subpar.
B.The restaurant's cleanliness was disappointing.
C.The restaurant's cleanliness was substandard.
D.The restaurant's cleanliness was a sub-issue.
Challenging
An author is writing an argument that a new political policy is secretly designed to weaken, or 'turn from under,' existing laws. The Latin root 'vertere' means 'to turn.' Which 'sub-' word would most effectively convey this complex idea?
A.Subvert
B.Submit
C.Submerge
D.Subtract
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