Root Decoders Slides
7th Grade Vocabulary Mission
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ROOT DECODERS
Crack the ancient Greek and Latin blueprints hidden inside thousands of English words.
Launch Task
On your whiteboard: In the word DECODER, identify the prefix, root, and suffix!
30-Second Quick Start
Superpower Unlocked
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Why Master Root Words?
Roots are the primary cores of words that hold their central meaning.
60% of English
Over 60% of English words come directly from Greek & Latin roots.
10x Multiplier
Learn 1 single root to easily decode 15 to 20 unfamiliar vocabulary words.
Test Decoder
Dissect monster reading test questions without needing a dictionary.
Your Turn
If PORT means "to carry", list 3 words with PORT on your whiteboard right now!
Hint: travel & ships
Word Engineering
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Word Anatomy: The 3 Building Blocks
Complex English words snap together like modular puzzle bricks.
1. PREFIX
DE-
Down / Away / Remove
2. ROOT (Core)
STRUCT
Build / Put together
3. SUFFIX
-ION
The act or result of
Your Turn
In your notebook, snap together: CON (together) + STRUCT (build) + -ION. Write the word & definition!
Write in 15 seconds
Root #1 • Greek Origin
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CHRON
Core Meaning
TIME
Chronological
chron + log (order) + ical
Arranged in order of occurrence over time.
Synchronize
syn (together) + chron + ize
Set to occur at the exact same point in time.
Chronic
chron + ic (state of)
Persisting or recurring for a very long time.
Your Turn
Solve on whiteboard: (1) If a story is told in reverse chronological order, where does it start? (2) What is a chronometer used to measure?
Write 1 & 2
Root #2 • Latin Origin
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STRUCT
Core Meaning
BUILD / ASSEMBLE
Construct
con (together) + struct
To build or assemble from parts.
Obstruct
ob (against) + struct
To build an obstacle against or block passage.
Instruct
in (into) + struct
To build knowledge into someone's mind.
Your Turn
Solve in notebook: (1) Why is a teacher called an instructor? (2) If a fallen tree obstructs a road, what must the city do?
Write 1 & 2
Root #3 • Greek Origin
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PATH
Core Meaning
FEELING / DISEASE
Empathy
em (into) + path + y
Stepping into someone's shoes to feel their emotions.
Sympathy
sym (together) + path + y
Sharing a feeling of sorrow alongside someone.
Apathetic
a (without) + path + ic
Showing zero concern, interest, or feeling.
Your Turn
Whiteboard Challenge: (1) If tele- means distant, what does a telepathic superhero do? (2) Which word shows greater emotional connection: sympathy or empathy?
Write 1 & 2
Root #4 • Latin Origin
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TRACT
Core Meaning
PULL / DRAG / DRAW
Attract
at (toward) + tract
To pull or draw people or things closer.
Distract
dis (away) + tract
To pull attention away from focus.
Extract
ex (out) + tract
To pull or draw something out completely.
Your Turn
Notebook Challenge: (1) In math, why is subtracting called subtraction? (2) If a cat retracts its claws, which way are they pulled?
Write 1 & 2
Greek vs. Latin Showdown
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The "Life" Twins: Greek vs. Latin
Both ancient languages gave us roots that mean LIFE.
Greek Origin BIO
Means: Life / Living Things
- Biology: Study of living organisms
- Biography: Written account of a life
Latin Origin VIV / VIT
Means: Live / Alive / Lively
- Survive: Live through danger or hardship
- Vivid: Full of intense life and energy
Your Turn
Fill in the blanks: (1) A _____sphere is the zone of Earth where life exists. (2) Vitamins are _____al to staying healthy!
BIO or VIV/VIT?
Root #5 • Latin Origin
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SPECT
Core Meaning
LOOK / SEE / OBSERVE
Inspect
in (into) + spect
To look into or examine closely.
Retrospect
retro (backward) + spect
A backward look at past events.
Spectator
spect + ator (one who)
A person who attends an event to watch.
Your Turn
Solve on whiteboard: (1) Why are reading glasses nicknamed spectacles? (2) If you suspect someone, what are you doing with your eyes?
Write 1 & 2
Practice Mission #1 • Partner Talk
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The Decoder Gauntlet
With a partner, dissect these 3 compound words. Split each into parts, then define!
Challenge 1
Chronobiology
Parts: chron + bio + logy
Your Task: What does this scientist study?
Challenge 2
Inextricable
Parts: in (not) + ex + tract + able
Your Task: What happens to a knot that is inextricable?
Challenge 3
Antipathy
Parts: anti (against) + path + y
Your Task: What feeling does someone with antipathy show?
Your Turn Write your 3 definitions on your whiteboard with your partner right now!
60-Second Showdown
Practice Mission #2 • Creative Lab
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Become a Word Architect
Combine today's roots to coin new words that solve these sci-fi prompts!
Root Bank: CHRON (time) STRUCT (build) PATH (feeling) TRACT (pull) SPECT (look) VIV (life)
Prompt A
Time-Puller Device
A ray that pulls objects backward through time.
Your word: ____________
Prompt B
Emotion Scanner
Goggles that let you visibly look at hidden feelings.
Your word: ____________
Prompt C
Life-Building Pod
A medical pod that reconstructs damaged living cells.
Your word: ____________
Your Turn In your notebook, write your 3 invented names and explain which roots you picked!
2 Minutes on the Clock
Mission Debrief & Final Ticket
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Root Decoders Field Manual
Review your 6 master keys before completing your final exit challenge.
CHRON
Time
Greek
STRUCT
Build
Latin
PATH
Feeling
Greek
TRACT
Pull
Latin
BIO / VIV
Life
Gk / Lat
SPECT
Look
Latin
Exit Ticket Complete in your notebook before the bell:
1. Define retrospective using its parts (retro + spect + ive).
2. Choose any 1 root from today and write an original sentence using a word containing it.
Turn in to bin on exit!
Root Decoders Worksheet
7th Grade Morphology Mission
ROOT DECODERS: FIELD WORKBOOK
Companion Practice
Greek & Latin Roots
Name:
Date:
Period:
Score: / 25
Part 1: Root Codebreaker Matrix (6 pts)
Complete the missing clues based on the slide lesson
| Root Word |
Language Origin |
Core Meaning |
Example Word from Slides |
| CHRON |
Greek |
Time |
|
| STRUCT |
|
Build / Assemble |
Construct |
| PATH |
Greek |
|
Empathy |
| TRACT |
Latin |
Pull / Drag / Draw |
|
| BIO / VIV |
Greek (Bio) / Latin (Viv) |
|
Biology / Vivid |
| SPECT |
|
Look / See / Observe |
Inspect |
Part 2: Morphology Dissection Lab (8 pts)
Dissect into morphemes, then explain the inferred meaning
Model: DECONSTRUCTION = DE- (down) + STRUCT (build) + -ION (process of)
"The process of taking apart something built"
| Target Word |
Prefix (Meaning) |
Root (Meaning) |
Suffix (Type) |
Decoded Meaning |
| 1. SYNCHRONIZE Greek root |
syn- (together) |
chron (time) |
-ize (make/do) |
|
|
|
|
|
|
| 2. DISTRACTION Latin root |
dis- (away) |
tract (pull) |
-ion (act of) |
|
|
| 3. APATHETIC Greek root | a- (without) | path (feeling) | -ic (having) |
|
| 4. RETROSPECT Latin root | retro- (backward) | spect (look) | -- (base) |
|
Root Decoders Workbook • Grade 7 English Language Arts Page 1 of 2
Mission Part B
PRACTICE & WORD ARCHITECTURE
Name:
Part 3: Context Mystery Sentences (6 pts)
Select the best vocabulary word from the bank
chronic • obstructed • vital • empathy • spectator • extracted
Because the quarterback had back pain lasting for months, he could not play.
A fallen oak tree had completely the mountain highway, blocking all traffic.
Clean water and oxygen are absolutely for human life and survival.
Showing genuine means walking in someone else's shoes to feel what they feel.
Every excited in the stadium stood up to watch the final penalty kick.
The dentist gently the loose tooth using special dental tools.
Part 4: The Word Architect Lab (3 pts)
Coin your own sci-fi words using roots from the slides
Invention A
Time-Puller Device
A ray that pulls objects backward through time.
Your Coined Word:
Roots Used:
Invention B
Emotion Scanner
Glasses that let you visibly look at hidden feelings.
Your Coined Word:
Roots Used:
Invention C
Life-Building Pod
A medical pod that reconstructs damaged living cells.
Your Coined Word:
Roots Used:
Part 5: Mission Exit Challenge (2 pts)
Final Debrief
1. Dissect RETROSPECTIVE (retro = backward, spect = look, ive = tending to) and write its definition in your own words:
2. Choose one root from today (CHRON, STRUCT, PATH, TRACT, BIO/VIV, or SPECT) and write an original, complete sentence using a word containing it:
Root Decoders Workbook • Greek & Latin Morphology Page 2 of 2