Vocabulary development

Grade 6 · English

Semester 2 | Period 6 | Week 31

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Subject: English

Semester: 2

Period: 6

Week: 31


School Name:
Teacher’s Name:
Subject: English Language
Grade Level: Grade 6
Date: Week 31
Lesson Duration: 45 minutes
Week & Period: Week 31, Period 6
Topic: Vocabulary Development
Sub-topic: Root Words, Prefixes, and Suffixes (Part 1)
Learning Objectives
By the end of the lesson, students should be able to:
Define root words, prefixes, and suffixes
Identify and form new words using common prefixes and suffixes
Understand how affixes change the meaning or function of a word

Previous Knowledge
Students already know basic vocabulary and simple word formation

Instructional Materials
English Language textbook for Grade 6, flashcards, whiteboard, markers

Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Ask learners to list words they know that start with “un-” or end with “-ful” and discuss their meanings

B – Building Knowledge (Main Lesson Body)

Time: 25–30 minutes

  1. Teacher Explanation & Modelling (10–12 minutes)

🔍 What are Root Words?

  • Definition: A root word is the base word that carries the main meaning. It can stand alone or be the foundation for other words.
  • Example root words: happy, care, teach, move, write
  • Explain that root words are like the “core” or “heart” of a word.

 

➕ What are Prefixes?

  • Definition: A prefix is a group of letters added to the beginning of a root word to change its meaning.
  • Prefixes do not change the part of speech of the word; they just modify the meaning.
  • Common prefixes with examples:
    • un- (not): happyunhappy (not happy)
    • re- (again): writerewrite (write again)
    • dis- (opposite or not): connectdisconnect (not connected)
    • pre- (before): viewpreview (view before)
    • mis- (wrongly): leadmislead (lead wrongly)

 

➕ What are Suffixes?

  • Definition: A suffix is a group of letters added to the end of a root word to change its meaning or function (its grammatical role).
  • Suffixes can change a word’s part of speech (e.g., verb → noun, adjective → adverb).
  • Common suffixes with examples:
    • -ful (full of): helphelpful (full of help)
    • -less (without): carecareless (without care)
    • -ment (result of an action): enjoyenjoyment (the act/result of enjoying)
    • -ness (state or quality): kindkindness (state of being kind)
    • -able (capable of): readreadable (capable of being read)

 

📝 Example Word Formation

Root Word

Prefix Added

New Word

Meaning of New Word

Suffix Added

New Word

Meaning of New Word

happy

un-

unhappy

not happy

-ness

happiness

state of being happy

write

re-

rewrite

write again

-able

readable

capable of being read

care

dis-

discard*

reject, throw away (prefix dis- + root discard from Latin, but illustrates dis- prefix use)

-less

careless

without care

teach

pre-

preteach* (less common, but can mean teach beforehand)

-ment

treatment*

the act of treating (not related to root teach, but demonstrates suffix -ment)

 

*Note: Some words are for illustration only to show the affixation process; always choose familiar words for learners.

 

🗣️ Modelling Sentences with New Words

  • She was unhappy about the test results.
  • Please rewrite your essay to improve it.
  • He acted carelessly and broke the vase.
  • The movie was enjoyable and fun to watch.
  • Her kindness helped everyone feel welcome.

 

  1. Learners’ Activities (Expanded – 15–18 minutes)

🔤 Activity 1: Identify Root Words, Prefixes, and Suffixes

  • Provide a list of mixed words (with prefixes and suffixes) on the board or handout, for example:
    • unhappy, careless, rewrite, kindness, preview, enjoyable
  • Learners work individually or in pairs to:
    • Underline the root word in each word
    • Circle the prefix if there is one
    • Highlight the suffix if there is one

Example answer for “unhappy”:

  • Root: happy
  • Prefix: un-
  • No suffix

 

🏗️ Activity 2: Form New Words

  • Give learners a set of root words and a list of prefixes and suffixes separately.
  • In groups, learners combine root words with prefixes or suffixes to make new words. For example:
    • Root: care + prefix dis- = discare (not a word, so reject) or suffix -less = careless
    • Root: move + suffix -ment = movement
    • Root: play + prefix re- = replay
  • Challenge learners to write down at least 5 new words they create.

 

✍️ Activity 3: Use New Words in Sentences

  • Each learner chooses 3 newly formed words and writes simple sentences demonstrating their meanings.
  • Examples:
    • I felt unhappy when I lost my toy.
    • The teacher asked me to rewrite my story.
    • Her kindness made everyone smile.

 

🎤 Activity 4: Oral Sharing

  • Learners take turns sharing their sentences aloud with the class or in small groups.
  • Encourage the use of clear pronunciation and correct meaning.

 

  1. Assessment Checks
  • Observe learners’ ability to:
    • Correctly identify root words, prefixes, and suffixes during Activity 1
    • Form valid new words by combining affixes and root words
    • Use the newly formed words correctly in sentences
    • Express meaning clearly during oral sharing
  • Collect learners’ written sentences to check for accuracy in spelling, grammar, and word meaning
  • Provide immediate feedback and clarification as needed

 

  1. Notes (Expanded & Detailed)
  • Prefixes change the meaning of the base word but usually do not change its grammatical category (e.g., verb remains verb, adjective remains adjective).
    • Example: happy (adjective) → unhappy (adjective)
  • Suffixes can change both meaning and grammatical function:
    • teach (verb) → teacher (noun) by adding suffix -er (not covered in examples but useful to mention)
    • kind (adjective) → kindness (noun) by adding suffix -ness
  • Understanding word formation allows learners to:
    • Decode unfamiliar words by identifying parts
    • Expand vocabulary effectively
    • Improve spelling and writing through awareness of patterns
  • Encourage learners to use dictionaries or word lists to explore more prefixes and suffixes.
  • Remind learners that some words may have more than one prefix or suffix (compound affixes) but start with simple ones first.

 

  1. Extension and Reinforcement Ideas
  • Create a word wall in the classroom with root words and their possible prefixes/suffixes.
  • Play a word formation game: learners take turns adding prefixes or suffixes to root words and explaining meanings.
  • Assign homework: find 5 words with prefixes and suffixes in newspapers, books, or online, and write sentences.

C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary: Learners can identify root words and affixes, form new words, and use them in sentences

Evaluation Method (Expanded):
Exit slip/quiz: Write two words using a prefix and two using a suffix
Teacher will collect slips and provide oral feedback

Assignment (Expanded):
Create a list of 10 new words using prefixes and suffixes learned today and use each in a sentence

Follow-up Activity:
Play a word-building game in pairs using root words and affixes

Differentiation / Inclusive Strategies
Provide simplified root word lists for struggling learners, allow peer support for sentence construction

Teacher’s Reflection (After Class)
What worked well? ___________________________________________
What needs improvement? ____________________________________
Students’ engagement level: ☑ High ☑ Medium ☑ Low