ELA · Curriculum resources

Diphthongs Worksheets and Activities

Diphthongs are vowel sounds that glide from one sound to another, like the oy in toy or the ow in cow. This hub offers a progression of diphthongs worksheets, games, readers, and activities for grades K-5, helping students master these tricky sound-spellings at every level. Whether you are introducing ou and ow in second grade or reviewing au and aw in fourth, you will find no-prep, teacher-authored resources here.

About these Diphthongs worksheets and activities

Diphthongs are a key phonics skill that builds from simple vowel teams to more complex sound combinations. In the earliest grades, students learn to recognize and read common diphthongs such as oi, oy, ou, ow, au, and aw through picture sorts and word matching. As they progress, activities shift to decoding multi-syllable words, spelling patterns, and applying diphthongs in reading passages and writing. By upper elementary, students use diphthongs to analyze word meaning, differentiate homophones, and improve fluency in connected text.

Related concepts include vowel teams, r-controlled vowels, and syllable types, all of which connect to diphthong instruction. The resources on this page focus on the most common diphthong pairs: ou/ow, au/aw, and oi/oy. Students practice sorting words by spelling, completing sentences, and reading decodable passages. These activities are scaffolded to support both introduction and review, making them suitable for whole group lessons, literacy centers, and intervention groups.

Using these in your classroom

Teachers can use this hub to differentiate instruction across a mixed-ability classroom. For a whole group lesson, start with a shared reading passage that highlights diphthongs, then break into small groups for targeted practice: use a sorting worksheet for students who need support, a game for on-level learners, and a writing activity for enrichment. The printable worksheets work well for independent practice, homework, or assessment, while digital versions are ideal for literacy centers or remote learning. Because resources span multiple grades, you can easily pull intervention materials for struggling readers or extension activities for advanced students. Mix and match free and paid resources to build a complete unit on diphthongs that meets every learner's needs.

Standards alignment

These resources align with grade-level Common Core standards for phonics and word recognition, specifically those covering vowel teams and decoding words with common diphthongs across grades 1 through 5.

Frequently asked questions

Are these Diphthongs worksheets printable?

Yes, all of the diphthongs worksheets on this page are available as printable PDFs. Some resources are free, while others require a paid Workybooks membership to download and print.

Are these Diphthongs worksheets for kids at all grade levels?

Yes, these diphthongs worksheets for kids cover a range of difficulty from early elementary to upper elementary. You can find resources for introducing diphthongs in second grade and for reviewing them in fourth and fifth grade.

What diphthong pairs are covered?

This hub focuses on the most common diphthong pairs: ou and ow, au and aw, and oi and oy. These are the vowel teams that appear most frequently in elementary reading and spelling.

How can I use these resources for intervention?

The diphthongs resources are scaffolded, so you can select simpler sorting activities or picture-based worksheets for students who need extra support. Use the digital versions for repeated practice in small groups or one-on-one tutoring sessions.