Complete the word with the right diphthong: oi, oy, ou, ow
Free printable Grade 1 English worksheet for "Complete the word with the right diphthong: oi, oy, ou, ow" — practice diphthongs: oi, oy, ou, ow (reading foundations). No-prep, print or assign online.
This worksheet focuses on practicing the diphthongs oi, oy, ou, and ow to enhance early reading skills. Teachers can use it to reinforce phonics instruction and support students in recognizing common vowel combinations. It is ideal for Grade 1 learners working on reading foundations and phonemic decoding.
Learning objectives
- Identify and distinguish the diphthongs oi, oy, ou, and ow in words
- Complete words by filling in the correct diphthong to form meaningful words
- Develop phonemic awareness and decoding skills related to diphthongs
Answer Key
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Complete the word with the right diphthong: oi, oy, ou, ow” worksheet free?
Yes. “Complete the word with the right diphthong: oi, oy, ou, ow” is a free printable English & Reading worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this English & Reading worksheet for?
It's designed for Grade 1 (ages 6–7), covering Diphthongs: oi, oy, ou, ow.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet StudioMore for Grade 1
You might also like
Christmas Sight Words Word Search
Christmas Sorting Cut & Paste
