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Subject: English
Semester: 2
Period: 6
Week: 32
School Name:
Teacher’s Name:
Subject: English Language
Grade Level: Grade 4
Date: Week 32
Lesson Duration: 45 minutes
Week & Period: Week 32, Period 6
Topic: Vowel Diphthongs
Sub-topic: Identification and Usage
Learning Objectives
By the end of the lesson, students should be able to identify vowel diphthongs and form words using them
Previous Knowledge
Students know vowel letters and short/long vowel sounds
Instructional Materials
English Language textbook for Grade 4, word cards, board, markers
Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Ask learners to pronounce words like “toy”, “oil”, “eyelid”, “buy” and discuss what sounds they hear
B – Building Knowledge (Main Lesson Body)
Time: 25–30 minutes
👦🏽👧🏼 Learners’ Activities (Expanded & Detailed)
- Introduction and Explanation
- Teacher explains that vowel diphthongs are two vowel letters combined to produce one smooth, blended sound rather than two separate vowel sounds.
- Common examples are introduced with pronunciation demonstration:
- oy as in toy
- oi as in oil
- ey as in key
- uy as in buy
- ow as in cow
- Teacher emphasizes that diphthongs can appear at the beginning (rare), middle, or end of words.
- Using a visual or phonics chart, the teacher models mouth movements and sound blending for each diphthong.
- Identification Activity
- Students receive a list of words and are asked to underline or highlight the vowel diphthongs they find.
- Example words: toy, coin, key, buy, cow, boy, coin, grey, buy, now.
- Fill-in-the-Blank Exercises
- Learners complete words with missing vowel diphthongs, e.g.:
- t_ y → toy
- _ il → oil
- k_ → key
- b_ → buy
- c_ → cow
- This helps students connect the sound to the correct letter combination and spelling.
- Pronunciation Practice
- Teacher models correct pronunciation of words with diphthongs, focusing on blending the two vowels smoothly into one sound.
- Students repeat individually and in pairs, practicing clear articulation.
- Highlight any differences in diphthong sounds (e.g., “oy” vs. “oi”) and practice distinguishing them.
- Group Word Creation Activity
- Students work in groups to brainstorm and write a list of at least 10 words containing different vowel diphthongs.
- Groups share their lists aloud, pronouncing each word clearly and pointing out the diphthong sound.
- Possible words: toy, boy, coin, join, key, grey, buy, guy, cow, now.
✅ Assessment Checks
- Oral Quiz: Teacher says a word aloud, and learners identify and say the diphthong sound they hear.
- Written Exercise: Students complete missing vowel diphthongs in given words to demonstrate understanding.
- Pronunciation Check: Teacher listens as learners pronounce diphthong words for accuracy and smooth blending of sounds.
📘 Notes (Expanded & Detailed)
- Definition: A vowel diphthong is when two vowel letters combine to make a single, blended vowel sound that glides from one vowel sound to another smoothly.
- Sound Blending: Unlike two separate vowels, diphthongs create one continuous sound that involves a subtle shift in mouth shape and tongue position.
- Positions: Diphthongs most commonly appear in the middle or at the end of words, though some may appear at the start in rare cases (e.g., eye).
- Common Diphthongs Covered:
- oy / oi: Both make a similar sound, as in boy and coin.
- ey: Typically makes a long “ee” sound, as in key.
- uy: Often makes the “eye” sound, as in buy.
- ow: Can make an “ow” sound, as in cow, or an “oh” sound as in snow (focus on the first here).
- Importance: Mastery of diphthongs aids in accurate pronunciation, decoding of new words, and reading fluency.
- Instructional Tips: Use repeated listening and speaking exercises, visuals of mouth movement, and matching games to engage learners.
- Practice: Encourage regular practice with word lists, flashcards, and reading aloud to reinforce diphthong recognition and pronunciation.
C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary: Vowel diphthongs are blended sounds made by two vowels. Practicing these improves reading and spelling
Evaluation Method (Expanded):
Exit slip/quiz: write two words with vowel diphthongs
Teacher will provide oral feedback
Assignment (Expanded):
Find 10 more words with vowel diphthongs and practice pronunciation
Follow-up Activity:
Peer reading practice using diphthong words
Differentiation / Inclusive Strategies
Provide visual cues, allow peer reading support, use audio examples
Teacher’s Reflection (After Class)
What worked well? ___________________________________________
What needs improvement? ____________________________________
Students’ engagement level: ☑ High ☑ Medium ☑ Low