In this video, the teacher explains how to read words with the R-controlled syllables IR and UR. They provide a keyword strategy using words like "girl" and "turtle" to help remember the sounds. The teacher demonstrates the steps to read unfamiliar words, such as writing them on a sticky note, highlighting the relevant syllable, blending the sounds, and then rereading the text. This lesson is designed to improve reading skills and pronunciation when encountering words with the IR and UR syllables.