R controlled vowels are vowels that are followed by the letter "r" and make a unique sound. The "r" changes the sound of the vowel that comes before it. There are five R controlled vowels: "ar", "er", "ir", "or", and "ur".
ar - car, star
er - her, fern
ir - bird, dirt
or - for, horn
ur - hurt, surf
By practicing and recognizing R controlled vowels, students can improve their reading and spelling skills. It's important to continue practicing and using words with R controlled vowels to become more familiar with them.