
3rd Grade · Spelling & Word Study
Vowel Sounds: ou, ow, oi, oy
Free printable 3rd Grade spelling & word study worksheet: Vowel Sounds: ou, ow, oi, oy. It practices vowel diphthongs (Common Core RF.3.3). For ages 8-9. Download the PDF, print it, or fill it in online.
Fill in or color online- Grade
- 3rd Grade
- Subject
- Spelling & Word Study
- Skill
- Vowel diphthongs
- Ages
- 8–9
- Standard
- RF.3.3
- Format
- A4 PDF · print or fill in online
About this worksheet
“Vowel Sounds: ou, ow, oi, oy” is sheet 18 of 30 in our free 3rd Grade Spelling & Word Study Worksheets collection, written for children aged 8–9. It focuses on vowel diphthongs.
In the set it comes after “Suffixes for People: -er, -or, -ist” and before “Tricky Spellings: igh, augh, ough”. Working through them in that order, one sheet a day, builds the skill a step at a time.
What this worksheet practices
RF.3.3 · Common Core English Language Arts · Grade 3
Reading: Foundational Skills · Phonics & word recognition
Children work on matching letters to sounds and using them to decode and spell words.
How to use this worksheet
- 1
Say each word slowly and clap the syllables before writing. Hearing the parts is half of spelling a long word.
- 2
Keep the rule box visible while doing the doubling and y-to-i sheets, then cover it for the second half.
- 3
Use the spelling test practice page every week with the words sent home from school.







