R-Controlled Vowels
When an r comes right after a vowel, it takes over the sound. The vowel isn't short or long anymore: car, fork, her, bird, fur. Kids often call it bossy r.
What is an r-controlled vowel?
In cat, the a is short. In car, the r changes it into a new sound, "ar." The same happens with every vowel. These vowel + r pairs make three main sounds: ar as in car, or as in fork, and er as in her.
The hard part: er, ir and ur all make the same sound. Her, bird and fur all rhyme with "sir." Kids can read them easily, but spelling takes practice, because you have to remember which one each word uses.
Vowel + r makes a new sound.
ar (car), or (fork), er / ir / ur (her, bird, fur).
R-controlled vowels show up in 1st grade reading as kids decode one-syllable words (RF.1.3b). In 2nd grade, the three spellings of the er sound are a big part of spelling words that don't follow one simple pattern (RF.2.3e).
Bossy r chart
Read the words in each row. They all share the same vowel + r sound.
| Spelling | Sound | Words |
|---|---|---|
| ar | ar, as in car | car, star, park, farm, jar, shark |
| or | or, as in fork | fork, corn, horse, storm, for, short |
| er | er, as in her | her, fern, herd, after, sister, under |
| ir | er, as in bird | bird, girl, first, shirt, dirt, stir |
| ur | er, as in fur | fur, turn, burn, nurse, purple, hurt |
At the end of longer words, the er spelling is most common: sister, under, after, teacher. That's a helpful tip for spelling.
Bossy r in sentences
The vowel + r is highlighted.
- The car is in the park.
- I eat corn with a fork.
- Her sister is tall.
- The bird is on the first branch.
- The cat has soft fur.
- A shark swims in the sea.
- The girl has a purple shirt.
- We ride a horse on the farm.
- Turn left at the store.
- A star is in the dark sky.
Notice store in example 9: or + silent e still says "or."
How to teach r-controlled vowels
Five short steps, about 10 minutes each.
- One sound at a time. Teach ar first, then or, then the er sound.
- Compare. Read pairs: cat/car, hot/horse, bid/bird. Hear the r change the sound.
- Circle the team. Circle the vowel + r in each word so your child reads it as one sound.
- Sort er, ir and ur. Make three columns and sort words. Talk about which looks right.
- Spelling helpers. For er-sound words, try writing all three spellings and pick the one that looks right.
Common mistakes and how to fix them
| Mistake | Why it happens | How to fix it |
|---|---|---|
| Reads cat-r for car | Sounding the vowel and r separately. | Read the vowel + r as one sound: "ar." |
| Reads bird with a short i | Not seeing the r. | Circle ir before reading. |
| Writes burd for bird | Choosing the wrong er spelling. | Normal at this age. Practice common words and check with a word list. |
| Reads for as "fur" | Mixing or and ur. | Compare pairs: for/fur. Or sounds like a horn; ur sounds like grr. |
Practice: r-controlled vowels quiz
10 questions. Your child can tap the speaker to hear a question read aloud. The first try on each question counts toward the score.
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1.Which word has the ar sound?
Show answer
star.
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2.Tap the word with or.
.
Show answer
corn.
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3.Which spelling is right?
Show answer
bird.
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4.Which words make the same sound?
Show answer
er, ir and ur.
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5.Fill in: The cat has soft f__.
Show answer
fur.
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6.Tap the word with ar.
.
Show answer
farm.
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7.Which word rhymes with her?
Show answer
fur.
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8.Fill in: My sist__ is six.
Show answer
sister.
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9.Which word has the or sound?
Show answer
horse.
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10.Why is r called bossy?
Show answer
It changes the vowel's sound.
R-Controlled Vowels worksheet (free PDF)
R-Controlled Vowels Worksheet, 1st–2nd grade
Fill in ar or or, sort er, ir and ur words, circle the right spelling in sentences and write your own bossy r sentence. Prints on US Letter paper, with an answer key.
Download the PDFTry it at home
- Pirate talk: "Arr!" is the ar sound. Say it like a pirate.
- Pairs: cat/car, hot/horse, bid/bird.
- Word hunt: find ar, or and er-sound words on signs and cereal boxes.
- Spelling check: write bird three ways (berd, bird, burd) and ask which looks right.
- Family words: sister, brother, mother, father, teacher: all end in er.
What comes next
Next, kids read two-syllable words. Earlier: vowel teams. See all skills on the 1st grade and 2nd grade pages, or browse all phonics lessons.
Practice with a game
Free, no sign-up, and they work on phones, tablets and computers.
R-Controlled RacerLast reviewed: November 11, 2026
Questions parents ask
What are r-controlled vowels?
Vowels followed by r, where the r changes the sound: ar in car, or in fork, and er, ir or ur in her, bird and fur.
Why is it called bossy r?
Because the r bosses the vowel into making a new sound that's neither short nor long.
Do er, ir and ur sound the same?
Yes. They all make the same sound, as in her, bird and fur. Kids learn which spelling each word uses.
What grade learns r-controlled vowels?
Most programs teach them in 1st grade and review them in 2nd grade, as part of reading one-syllable words.
How do I help my child spell er, ir and ur words?
Practice the most common words, and remember that at the end of longer words, er is the usual spelling.