Grade 4 ELA Unit 9: OI & OU Diphthongs 1

What It’s About
Two-vowel combinations with special sounds.

Learning Objectives
Spell and use diphthong words correctly.

Examples
Coin, loud, spoil, sound

Fun Practice Activities
1. Activity Worksheet
2. Test Yourself: Interactive Practice Quiz

Homework Idea
Make a mini-poster of 6 oi/ou words and draw an image for each.