High-Frequency Words: Stories and Activities, Level A focuses on teaching 100 high-frequency pre-primer and primer Dolch words. Each unit addresses 6 or 7 Dolch words and 2 to 4 key story nouns. Units follow a consistent format, with the words practiced individually, in sentences, and in a story. Helping your students learn to read these 100 words on sight will improve reading fluency, automaticity, and comprehension.