Montessori Learning: American Sign Language Nomenclature Cards Series: American Sign Language How many cards? 36 cards Vocabulary: A-Z and 0-9 What are nomenclature cards? Montessori nomenclature cards are a playful and engaging way for students to learn new vocabulary. Our nomenclature cards cover a wide variety of topics like biology, geography, zoology, and anything else you can think of. They can be custom ordered based on your students’ interests.