Class 1 Diphthongs Worksheet – oi, oy, or

Diphthongs are special sound blends where two vowels come together to make a single, gliding sound—like oi in coin or ow in cow. This worksheet introduces Class 1 learners to four common diphthongs: oi, oy, ou, and ow—helping them complete words with the correct vowel pair using picture and clue support.

📌 Why Should Children of This Age Group Learn This Topic?

🔤 Helps children decode and spell complex vowel combinations.

🧠 Strengthens listening skills and sound recognition.

✍️ Supports accurate reading and early writing.

📚 Builds a strong foundation in advanced phonics.

🎯 What Are the Learning Outcomes?

By completing this worksheet, learners will:

1. Recognize and apply diphthongs like oi, oy, ou, ow.

2. Complete real words using correct vowel combinations.

3. Improve reading fluency through pattern-based sound decoding.

4. Gain confidence with words that sound similar but are spelled differently.

📚 What Does This Worksheet Offer?

📝 A one-page worksheet with 10 clues and incomplete words.

🔤 Learners use diphthong clues (oi, oy, ou, ow) to complete each word.

🧒 Clues include both definition and visual cues (e.g., ""money in your pocket"" → coin).

🎯 Great for visual learners and sound-based practice.

🧠 What Are the Different Exercises in the Worksheet?

Fill in the Blank with the Correct Diphthong: Students complete each word using one of the four target vowel combinations.

Example: c _ _ n (money in your pocket) → coin

✅ Answer Key to All Exercises:

1. coin

2. boy

3. house

4. cow

5. soil

6. toy

7. low

8. down

9. boil

10. shout

✨ Make Vowel Sounds Come Alive!

Download this Class 1 worksheet to help your child explore diphthongs and master advanced vowel blends like oi, oy, ou, and ow. A great next step after short and long vowel practice!