This is another classroom aid in my "Word Wise" series. It's a reminder of the difference between "a" and "an" and emphasizes this principle: What matters is not the letter that follows but the sound. Follow me if you'd like to be notified of new products I post. OTHER FREE "WORD WISE" POSTERS — Capitalization - Common vs. Proper Nouns — It's vs. Its — Who's vs. Whose — Two, too, and to — They're, There, and Their — Prepositions — Lie vs. Lay