R-Controlled Vowels (ar, er, ir, or, ur): How to Teach Them
R-controlled vowels are vowels followed by the letter r, which changes the vowel sound completely: ar in car, or in fork, and er, ir and ur all saying the same sound in her, bird and turn. They're sometimes called "bossy r", because the r takes over the vowel. They are one of the hardest patterns for children, because three spellings share a single sound.
The Five Patterns
| Spelling | Sound | Example words |
|---|---|---|
| ar | /ar/ | car, star, farm, park, hard |
| or | /or/ | fork, born, storm, short, sport |
| er | /er/ | her, term, fern, sister, water |
| ir | /er/ | bird, girl, shirt, third, first |
| ur | /er/ | turn, burn, nurse, hurt, purse |
The first two are straightforward. The difficulty is that er, ir and ur sound identical.
Teaching ar and or First
Start with the two that are easiest to hear and spell:
- ar — car, jar, star, farm. Say it long: "aaar".
- or — for, corn, horse, storm.
Read them, sort them, and dictate them before moving on. Children usually secure these in a week or two.
Then er, ir and ur
Since these three sound the same, reading is easy but spelling is a guess. Useful patterns to teach:
| Pattern | Examples |
|---|---|
| er is the most common at the end of words | teacher, water, sister, faster, winner |
| er is common in comparatives and "doer" words | bigger, painter, singer |
| ir often appears in the middle of one-syllable words | bird, girl, shirt, third, birth |
| ur often appears in the middle too | turn, burn, hurt, curl, church |
There's no rule that decides ir vs ur reliably, so these words are learned through word families, reading and repeated dictation rather than a rule.
Activities That Work
- Sound sort. Give 15 words and sort them into ar, or and the "/er/ family".
- Word families. Teach in groups: bird, girl, shirt, third, then turn, burn, hurt, curl.
- Visual memory. Write the word, cover it, write it from memory, check. This suits er/ir/ur words, where sound alone can't decide.
- Spot the r. In a page of their school book, highlight every r-controlled syllable.
- Dictation sentences. "The girl turned the first corner." One sentence, three patterns.
Common Difficulties
| Problem | Fix |
|---|---|
| Spelling bird as "burd" | Word families and look-cover-write-check; sound alone won't decide |
| Reading ar as a short a: "cat" for cart | Stretch the vowel; contrast cat / cart pairs |
| Confusing or and ar | Contrast pairs: farm/form, card/cord |
| Missing the r completely in speech | Common for some second-language learners; practise the mouth position, since a dropped r leads to dropped letters in spelling |
| w + or saying /er/ (work, word, worm) | Teach as a small separate family |
A Note on Accents
How strongly the r is pronounced varies between accents, including across India, the UK and the US. What matters for reading is that the child recognises the pattern and links it to a consistent sound in their own speech.
Where This Fits
R-controlled vowels are one of the six syllable types and part of advanced phonics. They're usually taught after short vowels, long vowels and alternative spellings.
Children practise them with real school vocabulary in our advanced phonics classes for ages 6–12.
Frequently Asked Questions
What are r-controlled vowels? +
Vowels followed by the letter r, where the r changes the vowel sound: ar, er, ir, or and ur.
Why are they called bossy r? +
Because the r "bosses" the vowel and changes its sound, so the vowel no longer says its long or short sound.
Why do er, ir and ur sound the same? +
In most English accents these three spellings have merged into one sound. Only ar and or keep clearly distinct sounds.
How do children learn whether to spell a word with ir or ur? +
Mostly through word families, reading and repeated practice, since the sound gives no clue. Look-cover-write-check works well.
When should r-controlled vowels be taught? +
After short and long vowels and basic vowel teams, usually in the second year of phonics or during catch-up work with older children.
Which r-controlled vowel should be taught first? +
ar, then or. They have distinct sounds and are the easiest to hear and spell.
My child drops the r sound when speaking. Does that matter? +
For reading, what matters is recognising the pattern. But if the r disappears in speech, watch for it disappearing in spelling too.