R Controlled Vowels Valentine's Day word activity for OR, AR, ER, IR, UR words! Practice with 35 fun Valentine's Day themed digital Boom™ cards, perfect for winter fun while learning phonics skills.These Boom™ slides hosted with your free account at boomlearning.com include practice for knowing which letter combination for bossy r, r controlled vowels goes in a word.No-prep solution for your beginning reader - great for centers, to use at desk, or for parents to practice skills with their studen